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20010112120110 = 23571713381418883
BaseRepresentation
bin1001000110010111101111…
…00111111111010100101110
32121211221121010012102122210
410203023313213333110232
510110321202200320420
6110320304003551250
74133453142435420
oct443136747772456
977757533172583
1020010112120110
1164152716a15a2
1222b211608b526
13b21c3a299568
144d26cd248810
1524a7979de9e0
hex1232f79ff52e

20010112120110 has 128 divisors (see below), whose sum is σ = 58117882973184. Its totient is φ = 4304364410880.

The previous prime is 20010112120099. The next prime is 20010112120121. The reversal of 20010112120110 is 1102121101002.

It is an interprime number because it is at equal distance from previous prime (20010112120099) and next prime (20010112120121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47560729 + ... + 47979611.

It is an arithmetic number, because the mean of its divisors is an integer number (454045960728).

Almost surely, 220010112120110 is an apocalyptic number.

20010112120110 is an abundant number, since it is smaller than the sum of its proper divisors (38107770853074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010112120110 is a wasteful number, since it uses less digits than its factorization.

20010112120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432298.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20010112120110 its reverse (1102121101002), we get a palindrome (21112233221112).

The spelling of 20010112120110 in words is "twenty trillion, ten billion, one hundred twelve million, one hundred twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 13381 26762 40143 66905 80286 93667 133810 187334 200715 227477 281001 401430 418883 454954 468335 562002 682431 837766 936670 1137385 1256649 1364862 1405005 1592339 2094415 2274770 2513298 2810010 2932181 3184678 3412155 4188830 4777017 5864362 6283245 6824310 7121011 7961695 8796543 9554034 12566490 14242022 14660905 15923390 17593086 21363033 23885085 29321810 35605055 42726066 43982715 47770170 49847077 71210110 87965430 99694154 106815165 149541231 213630330 249235385 299082462 498470770 747706155 1495412310 5605073423 11210146846 16815220269 28025367115 33630440538 39235513961 56050734230 78471027922 84076101345 95286248191 117706541883 168152202690 190572496382 196177569805 235413083766 285858744573 392355139610 476431240955 571717489146 588532709415 667003737337 952862481910 1177065418830 1334007474674 1429293722865 2001011212011 2858587445730 3335018686685 4002022424022 6670037373370 10005056060055 20010112120110