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102112111110112 = 2561229308973951
BaseRepresentation
bin10111001101111011010100…
…000111000010011111100000
3111101112211012120222212021021
4113031323110013002133200
5101341001100421010422
61001101353425535224
730336233206306615
oct2715732407023740
9441484176885237
10102112111110112
112a599559734374
12b5520174a4514
1344c9191384c9c
141b30376dc450c
15bc1284da3dc7
hex5cded41c27e0

102112111110112 has 96 divisors (see below), whose sum is σ = 205290323078400. Its totient is φ = 49982911488000.

The previous prime is 102112111110073. The next prime is 102112111110127. The reversal of 102112111110112 is 211011111211201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380770737 + ... + 1380844687.

It is an arithmetic number, because the mean of its divisors is an integer number (2138440865400).

Almost surely, 2102112111110112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102112111110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102645161539200).

102112111110112 is an abundant number, since it is smaller than the sum of its proper divisors (103178211968288).

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

102112111110112 is a wasteful number, since it uses less digits than its factorization.

102112111110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77340 (or 77332 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 102112111110112 its reverse (211011111211201), we get a palindrome (313123222321313).

The spelling of 102112111110112 in words is "one hundred two trillion, one hundred twelve billion, one hundred eleven million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 61 122 229 244 458 488 916 976 1832 1952 3089 3664 6178 7328 12356 13969 24712 27938 49424 55876 73951 98848 111752 147902 188429 223504 295804 376858 447008 591608 707381 753716 1183216 1414762 1507432 2366432 2829524 3014864 4511011 5659048 6029728 9022022 11318096 16934779 18044044 22636192 33869558 36088088 43150241 67739116 72176176 86300482 135478232 144352352 172600964 228434639 270956464 345201928 456869278 541912928 690403856 913738556 1033021519 1380807712 1827477112 2066043038 3654954224 4132086076 7309908448 8264172152 13934512979 16528344304 27869025958 33056688608 52311532331 55738051916 104623064662 111476103832 209246129324 222952207664 418492258648 445904415328 836984517296 1673969034592 3191003472191 6382006944382 12764013888764 25528027777528 51056055555056 102112111110112