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56786123113 = 3141137326119
BaseRepresentation
bin110100111000101101…
…110111100101101001
312102120112002221110221
4310320231313211221
51412244221414423
642030455410041
74050133040146
oct647055674551
9172515087427
1056786123113
11220a0316865
12b009683921
13547c9702a5
142a69ad53cd
151725512e5d
hexd38b77969

56786123113 has 16 divisors (see below), whose sum is σ = 60486128640. Its totient is φ = 53222457600.

The previous prime is 56786123101. The next prime is 56786123129. The reversal of 56786123113 is 31132168765.

It is a cyclic number.

It is not a de Polignac number, because 56786123113 - 229 = 56249252201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56786123113.

It is not an unprimeable number, because it can be changed into a prime (56786123153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11068 + ... + 337186.

It is an arithmetic number, because the mean of its divisors is an integer number (3780383040).

Almost surely, 256786123113 is an apocalyptic number.

It is an amenable number.

56786123113 is a deficient number, since it is larger than the sum of its proper divisors (3700005527).

56786123113 is a wasteful number, since it uses less digits than its factorization.

56786123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326328.

The product of its digits is 181440, while the sum is 43.

The spelling of 56786123113 in words is "fifty-six billion, seven hundred eighty-six million, one hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 31 41 137 1271 4247 5617 174127 326119 10109689 13370879 44678303 414497249 1385027393 1831810423 56786123113