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12612074244 = 22371113649431
BaseRepresentation
bin10111011111011110…
…01111101100000100
31012112221211202100220
423233233033230010
5201312142333434
65443252304340
7624352601520
oct135757175404
935487752326
1012612074244
115392207060
12253b9120b0
13125cbca133
14879028d80
154dc375d49
hex2efbcfb04

12612074244 has 48 divisors (see below), whose sum is σ = 36689673216. Its totient is φ = 3275863200.

The previous prime is 12612074213. The next prime is 12612074263. The reversal of 12612074244 is 44247021621.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 6823792 + ... + 6825639.

It is an arithmetic number, because the mean of its divisors is an integer number (764368192).

Almost surely, 212612074244 is an apocalyptic number.

12612074244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12612074244 is an abundant number, since it is smaller than the sum of its proper divisors (24077598972).

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

12612074244 is a wasteful number, since it uses less digits than its factorization.

12612074244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649456 (or 13649454 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 12612074244 its reverse (44247021621), we get a palindrome (56859095865).

The spelling of 12612074244 in words is "twelve billion, six hundred twelve million, seventy-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 13649431 27298862 40948293 54597724 81896586 95546017 150143741 163793172 191092034 286638051 300287482 382184068 450431223 573276102 600574964 900862446 1051006187 1146552204 1801724892 2102012374 3153018561 4204024748 6306037122 12612074244