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12107854038 = 2374840473
BaseRepresentation
bin10110100011010111…
…10011000011010110
31011020211001201021110
423101223303003112
5144244102312123
65321241155450
7606021030000
oct132153630326
934224051243
1012107854038
115153627a45
12241aa8bb86
1311ac5c8197
1482c095370
154ace77493
hex2d1af30d6

12107854038 has 40 divisors (see below), whose sum is σ = 28250012088. Its totient is φ = 3459382752.

The previous prime is 12107854037. The next prime is 12107854039. The reversal of 12107854038 is 83045870121.

It is an interprime number because it is at equal distance from previous prime (12107854037) and next prime (12107854039).

It is a junction number, because it is equal to n+sod(n) for n = 12107853987 and 12107854005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107854037) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 405831 + ... + 434642.

Almost surely, 212107854038 is an apocalyptic number.

12107854038 is an abundant number, since it is smaller than the sum of its proper divisors (16142158050).

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

12107854038 is an frugal number, since it uses more digits than its factorization.

12107854038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840506 (or 840485 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 12107854038 in words is "twelve billion, one hundred seven million, eight hundred fifty-four thousand, thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 2401 4802 7203 14406 840473 1680946 2521419 5042838 5883311 11766622 17649933 35299866 41183177 82366354 123549531 247099062 288282239 576564478 864846717 1729693434 2017975673 4035951346 6053927019 12107854038