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12310312232 = 232117292839
BaseRepresentation
bin10110111011100000…
…00111010100101000
31011202221000122201002
423131300013110220
5200202414442412
65353312414132
7614026633061
oct133560072450
934687018632
1012310312232
115247939869
122476847348
13121253332a
1484ad17568
154c0b19dc2
hex2ddc07528

12310312232 has 16 divisors (see below), whose sum is σ = 23191231200. Its totient is φ = 6125983920.

The previous prime is 12310312213. The next prime is 12310312243. The reversal of 12310312232 is 23221301321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644732 + ... + 3648107.

It is an arithmetic number, because the mean of its divisors is an integer number (1449451950).

Almost surely, 212310312232 is an apocalyptic number.

It is an amenable number.

12310312232 is a deficient number, since it is larger than the sum of its proper divisors (10880918968).

12310312232 is a wasteful number, since it uses less digits than its factorization.

12310312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293056 (or 7293052 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12310312232 its reverse (23221301321), we get a palindrome (35531613553).

The spelling of 12310312232 in words is "twelve billion, three hundred ten million, three hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 211 422 844 1688 7292839 14585678 29171356 58342712 1538789029 3077578058 6155156116 12310312232