100,000,000,000,000
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100,000,000,000,000 (hundred trillion on the short scale;[1] hundred billion on the long scale; hundred thousand billion; hundred million million) is the natural number following 99,999,999,999,999 and preceding 100,000,000,000,001. It is known as 1 lakh arab, 1000 kharab, 1 crore crore, or 10 nil in the Indian numbering system.
In mathematics
Divisors
100,000,000,000,000 has a total of 225 divisors (210 even, 15 odd). All divisors are displayed below:[1]
- 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1024, 1250, 1280, 1600, 2000, 2048, 2500, 2560, 3125, 3200, 4000, 4096, 5000, 5120, 6250, 6400, 8000, 8192, 10000, 10240, 12500, 12800, 15625, 16000, 16384, 20000, 20480, 25000, 25600, 31250, 32000, 40000, 40960, 50000, 51200, 62500, 64000, 78125, 80000, 81920, 100000, 102400, 125000, 128000, 156250, 160000, 200000, 204800, 250000, 256000, 312500, 320000, 390625, 400000, 409600, 500000, 512000, 625000, 640000, 781250, 800000, 1000000, 1024000, 1250000, 1280000, 1562500, 1600000, 1953125, 2000000, 2048000, 2500000, 2560000, 3125000, 3200000, 3906250, 4000000, 5000000, 5120000, 6250000, 6400000, 7812500, 8000000, 9765625, 10000000, 10240000, 12500000, 12800000, 15625000, 16000000, 19531250, 20000000, 25000000, 25600000, 31250000, 32000000, 39062500, 40000000, 48828125, 50000000, 51200000, 62500000, 64000000, 78125000, 80000000, 97656250, 100000000, 125000000, 128000000, 156250000, 160000000, 195312500, 200000000, 244140625, 250000000, 256000000, 312500000, 320000000, 390625000, 400000000, 488281250, 500000000, 625000000, 640000000, 781250000, 800000000, 976562500, 1000000000, 1220703125, 1250000000, 1280000000, 1562500000, 1600000000, 1953125000, 2000000000, 2441406250, 2500000000, 3125000000, 3200000000, 3906250000, 4000000000, 4882812500, 5000000000, 6103515625, 6250000000, 6400000000, 7812500000, 8000000000, 9765625000, 10000000000, 12207031250, 12500000000, 15625000000, 16000000000, 19531250000, 20000000000, 24414062500, 25000000000, 31250000000, 32000000000, 39062500000, 40000000000, 48828125000, 50000000000, 62500000000, 78125000000, 80000000000, 97656250000, 100000000000, 125000000000, 156250000000, 160000000000, 195312500000, 200000000000, 250000000000, 312500000000, 390625000000, 400000000000, 500000000000, 625000000000, 781250000000, 800000000000, 1000000000000, 1250000000000, 1562500000000, 2000000000000, 2500000000000, 3125000000000, 4000000000000, 5000000000000, 6250000000000, 10000000000000, 12500000000000, 20000000000000, 25000000000000, 50000000000000, 100000000000000
Selected 15-digit numbers (100,000,000,000,001–999,999,999,999,999)
100,000,000,000,001 to 199,999,999,999,999
- 100,000,000,000,031 : smallest 15-digit prime number[2][3]
- 100,000,012,392,316 : smallest 15-digit triangular number, 14,142,136th triangular number[4][5]
- 100,169,256,075,517 : 202nd Markov number[6]
- 106,974,698,806,081 : 203rd Markov number
- 111,111,111,111,111 : repunit
- 111,146,809,165,122 : 43rd Wedderburn-Etherington number[7]
- 114,988,706,524,270 : 34th Motzkin number[8]
- 117,669,030,460,994 : 204th Markov number, 69th Fibonacci number
- 120,984,833,091,531 : 53rd repfigit[9]
- 124,145,519,261,542 : 38th Pell number[10]
- 124,738,635,483,875 : number of series-reduced planted trees with 51 nodes[11]
- 127,353,146,734,466 : 205th Markov number
- 130,429,015,516,800 : 82nd superabundant number[12]
- 144,403,552,893,600 : 83rd superabundant number
- 145,624,636,022,689 : 206th Markov number
- 148,135,740,183,017 : 207th Markov number
- 151,620,880,341,401 : 208th Markov number
- 152,657,555,033,144 : number of (unordered, unlabeled) rooted trimmed trees with 41 nodes[13]
- 163,767,326,286,012 : number of 55-bead necklaces (turning over is allowed) where complements are equivalent[14]
- 166,799,988,689,300 : number of 54-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed[15]
- 180,995,342,924,521 : 209th Markov number
- 184,717,953,466,367 : 42nd Woodall number[16]
- 187,611,224,490,881 : 210th Markov number
- 190,392,490,709,135 : 70th Fibonacci number
- 195,643,523,275,200 : 84th superabundant number, 20th superior highly composite number[17]
200,000,000,000,000 to 299,999,999,999,999
- 213,458,046,676,875 = 27!!. There are 213,458,046,676,875 total unrooted trees for 16 taxa[18][19]
- 215,440,028,338,359 : number of secondary structures of RNA molecules with 40 nucleotides[20]
- 217,774,440,785,026 : 211th Markov number
- 222,222,222,222,222 : repdigit
- 238,763,690,000,642 : 212th Markov number
- 259,215,937,709,463 : 22nd Schröder–Hipparchus number[21]
- 259,918,212,890,625 : 27th automorphic number[22]
- 262,229,286,072,101 : 213th Markov number
- 263,747,951,750,360 : 28th Catalan number[23]
- 265,077,991,831,995 : number of series-reduced planted trees with 52 nodes
- 266,552,682,265,118 : 44th Wedderburn-Etherington number
- 270,585,509,032,586 : 54th repfigit
- 288,807,105,787,200 : 85th superabundant number
- 299,713,796,309,065 : 214th Markov number, 39th Pell number
300,000,000,000,000 to 399,999,999,999,999
- 308,061,521,170,129 : 215th Markov number, 71st Fibonacci number
- 314,159,265,358,979 : the first 15 decimal digits of pi[24][25]
- 316,141,040,381,993 : 216th Markov number
- 321,685,824,284,100 : number of 56-bead necklaces (turning over is allowed) where complements are equivalent
- 327,534,518,354,296 : number of 55-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
- 330,931,069,469,828 : 35th Motzkin number
- 332,380,318,337,465 : 217th Markov number
- 333,333,333,333,333 : repdigit
- 335,990,918,918,981 : 17th alternating factorial[26]
- 355,687,428,096,000 = 17!
- 355,687,428,096,153 : 17th factoriangular number[27]
- 378,231,999,954,943 : 43rd Woodall number
- 379,325,837,704,445 : 218th Markov number
- 381,249,713,544,034 : 219th Markov number
- 382,745,902,953,654 : number of (unordered, unlabeled) rooted trimmed trees with 42 nodes
400,000,000,000,000 to 499,999,999,999,999
- 426,776,599,819,081 : 220th Markov number
- 433,210,658,680,800 : 86th superabundant number
- 444,444,444,444,444 : repdigit
- 459,789,046,174,429 : 221st Markov number
- 473,638,416,248,177 : 222nd Markov number
- 498,454,011,879,264 : 72nd Fibonacci number
500,000,000,000,000 to 599,999,999,999,999
- 542,557,456,311,485 : 223rd Markov number
- 544,288,586,926,914 : number of secondary structures of RNA molecules with 41 nucleotides
- 554,510,738,235,029 : 224th Markov number
- 555,555,555,555,555 : repdigit
- 563,637,117,190,957 : number of series-reduced planted trees with 53 nodes
- 577,614,211,574,400 : 87th superabundant number
600,000,000,000,000 to 699,999,999,999,999
- 632,084,292,449,766 : number of 57-bead necklaces (turning over is allowed) where complements are equivalent
- 639,754,054,803,187 : 45th Wedderburn-Etherington number
- 643,371,380,132,744 : number of 56-bead binary necklaces with beads of 2 colors where the colors may be swapped but turning over is not allowed
- 666,666,666,666,666 : repdigit
- 668,746,232,531,714 : 225th Markov number
- 686,480,075,504,546 : 226th Markov number
700,000,000,000,000 to 799,999,999,999,999
- 723,573,111,879,672 : 40th Pell number
- 740,081,787,109,376 : 28th automorphic number
- 754,788,753,590,897 : 55th repfigit
- 767,465,181,141,553 : 227th Markov number
- 774,056,185,954,303 : 44th Woodall number
- 777,777,777,777,777 : repdigit
800,000,000,000,000 to 899,999,999,999,999
- 806,515,533,049,393 : 228th Markov number, 73rd Fibonacci number
- 866,421,317,361,600 : 88th superabundant number
- 867,493,136,119,153 : 229th Markov number
- 888,888,888,888,888 : repdigit
900,000,000,000,000 to 999,999,999,999,999
- 953,467,954,114,363 : 36th Motzkin number, largest known Motzkin prime
- 960,445,232,762,244 : number of (unordered, unlabeled) rooted trimmed trees with 43 nodes
- 971,341,527,703,714 : 230th Markov number
- 998,123,312,425,769 : 231st Markov number
- 999,999,999,999,989 : largest 15-digit prime number[28][29]
- 999,999,999,999,999 : largest 15-digit number, repdigit
See also
References
- ↑ 1.0 1.1 "100000000000000 (Number)" (in en). https://metanumbers.com/100000000000000.
- ↑ Template:Cite OEIS
- ↑ Weisstein, Eric W.. "Next Prime" (in en). Wolfram Research, Inc.. https://mathworld.wolfram.com/NextPrime.html.
- ↑ Gupta, Shyam Sunder (2002-10-26). "Fascinating Triangular Numbers". https://www.shyamsundergupta.com/triangle.htm.
- ↑ Samojluk, Artur; Siemaszko, Artur (2026-06-30). "An Efficient Algorithm for Estimating Prime Counts" (in en). https://arxiv.org/abs/2606.31761v2.
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- ↑ Kong, Yibo; Tiley, George P.; Solis-Lemus, Claudia (2023-12-26). "Unsupervised Learning of Phylogenetic Trees via Split-Weight Embedding" (in en). https://arxiv.org/abs/2312.16074v2.
- ↑ Perretto, Mauricio; Lopes, Heitor Silvério (2005-09-30). "Reconstruction of phylogenetic trees using the ant colony optimization paradigm". Genetics and Molecular Research 4 (3): 581–589. ISSN 1676-5680. http://silverio.net.br/heitor/publicacoes/2005/gmr43.pdf.
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- ↑ Galperin, G. (2003). "Playing Pool With π (The number π from a billard point of view)" (in en). Regular and Chaotic Dynamics 8 (4): 375. doi:. ISSN 1560-3547. http://rcd.ics.org.ru/RD2003v008n04ABEH000252.
- ↑ Template:Cite OEIS
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- ↑ Weisstein, Eric W.. "Previous Prime" (in en). Wolfram Research, Inc.. https://mathworld.wolfram.com/PreviousPrime.html.
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