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56816715168 = 253421920029
BaseRepresentation
bin110100111010100010…
…100100010110100000
312102122122200011220000
4310322202210112200
51412330034341133
642033511220000
74050654052623
oct647242442640
9172578604800
1056816715168
1122106611054
12b017977600
1354860c18b5
142a6dbb9dba
151728057413
hexd3a8a45a0

56816715168 has 60 divisors (see below), whose sum is σ = 167096388690. Its totient is φ = 18938904192.

The previous prime is 56816715143. The next prime is 56816715199. The reversal of 56816715168 is 86151761865.

It is a happy number.

56816715168 is a `hidden beast` number, since 5 + 68 + 1 + 67 + 1 + 516 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39389547024 + 17427168144 = 198468^2 + 132012^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10957423 + ... + 10962606.

Almost surely, 256816715168 is an apocalyptic number.

It is an amenable number.

56816715168 is an abundant number, since it is smaller than the sum of its proper divisors (110279673522).

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

56816715168 is a wasteful number, since it uses less digits than its factorization.

56816715168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21920051 (or 21920034 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The spelling of 56816715168 in words is "fifty-six billion, eight hundred sixteen million, seven hundred fifteen thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 21920029 43840058 65760087 87680116 131520174 175360232 197280261 263040348 350720464 394560522 526080696 591840783 701440928 789121044 1052161392 1183681566 1578242088 1775522349 2104322784 2367363132 3156484176 3551044698 4734726264 6312968352 7102089396 9469452528 14204178792 18938905056 28408357584 56816715168