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56000012 = 2231538521
BaseRepresentation
bin1101010110011…
…1111000001100
310220101002120112
43111213320030
5103314000022
65320135152
71246664225
oct325477014
9126332515
1056000012
1129679702
12169074b8
13b7a9403
14761a24c
154db28e2
hex3567e0c

56000012 has 24 divisors (see below), whose sum is σ = 103082112. Its totient is φ = 26582400.

The previous prime is 56000003. The next prime is 56000029. The reversal of 56000012 is 21000065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (4295088).

Almost surely, 256000012 is an apocalyptic number.

It is an amenable number.

56000012 is a deficient number, since it is larger than the sum of its proper divisors (47082100).

56000012 is a wasteful number, since it uses less digits than its factorization.

56000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8609 (or 8607 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 56000012 is about 7483.3155753316. The cubic root of 56000012 is about 382.5862638821.

Adding to 56000012 its reverse (21000065), we get a palindrome (77000077).

The spelling of 56000012 in words is "fifty-six million, twelve", and thus it is an aban number and an uban number.

Divisors: 1 2 4 31 53 62 106 124 212 1643 3286 6572 8521 17042 34084 264151 451613 528302 903226 1056604 1806452 14000003 28000006 56000012