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56783788612 = 2218191780383
BaseRepresentation
bin110100111000100100…
…111101101001000100
312102120100201100010221
4310320210331221010
51412243122213422
642030333354124
74050104145055
oct647044755104
9172510640127
1056783788612
1122099a71921
12b008938944
13547c333825
142a6968872c
1517252013c7
hexd3893da44

56783788612 has 12 divisors (see below), whose sum is σ = 99377220096. Its totient is φ = 28390297160.

The previous prime is 56783788597. The next prime is 56783788681. The reversal of 56783788612 is 21688738765.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317428 + ... + 462955.

It is an arithmetic number, because the mean of its divisors is an integer number (8281435008).

Almost surely, 256783788612 is an apocalyptic number.

It is an amenable number.

56783788612 is a deficient number, since it is larger than the sum of its proper divisors (42593431484).

56783788612 is a wasteful number, since it uses less digits than its factorization.

56783788612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798578 (or 798576 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The spelling of 56783788612 in words is "fifty-six billion, seven hundred eighty-three million, seven hundred eighty-eight thousand, six hundred twelve".

Divisors: 1 2 4 18191 36382 72764 780383 1560766 3121532 14195947153 28391894306 56783788612