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12312403768 = 237479459007
BaseRepresentation
bin10110111011110000…
…00101111100111000
31011210001221220202101
423131320011330320
5200203433410033
65353425313144
7614053463620
oct133570057470
934701856671
1012312403768
115249038205
1224774957b4
131212ab6322
1484b2dd880
154c0dce97d
hex2dde05f38

12312403768 has 32 divisors (see below), whose sum is σ = 26438860800. Its totient is φ = 5265716832.

The previous prime is 12312403759. The next prime is 12312403781. The reversal of 12312403768 is 86730421321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202680 + ... + 256327.

It is an arithmetic number, because the mean of its divisors is an integer number (826214400).

Almost surely, 212312403768 is an apocalyptic number.

It is an amenable number.

12312403768 is an abundant number, since it is smaller than the sum of its proper divisors (14126457032).

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

12312403768 is a wasteful number, since it uses less digits than its factorization.

12312403768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459499 (or 459495 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 12312403768 in words is "twelve billion, three hundred twelve million, four hundred three thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 479 958 1916 3353 3832 6706 13412 26824 459007 918014 1836028 3213049 3672056 6426098 12852196 25704392 219864353 439728706 879457412 1539050471 1758914824 3078100942 6156201884 12312403768