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56542791762 = 23241213672
BaseRepresentation
bin110100101010001101…
…101000100001010010
312101221120020102121200
4310222031220201102
51411244423314022
641550404132030
74041116541252
oct645215504122
9171846212550
1056542791762
1121a85a28376
12ab60097016
135441424042
142a45673962
15170de99bac
hexd2a368852

56542791762 has 54 divisors (see below), whose sum is σ = 125662220229. Its totient is φ = 18374448480.

The previous prime is 56542791751. The next prime is 56542791787. The reversal of 56542791762 is 26719724565.

It is a happy number.

56542791762 is a `hidden beast` number, since 5 + 6 + 542 + 7 + 91 + 7 + 6 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40380500601 + 16162291161 = 200949^2 + 127131^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=168141.

It is a junction number, because it is equal to n+sod(n) for n = 56542791699 and 56542791708.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41362003 + ... + 41363369.

Almost surely, 256542791762 is an apocalyptic number.

56542791762 is an abundant number, since it is smaller than the sum of its proper divisors (69119428467).

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

56542791762 is an equidigital number, since it uses as much as digits as its factorization.

56542791762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 1413 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 56542791762 in words is "fifty-six billion, five hundred forty-two million, seven hundred ninety-one thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 1367 1681 2734 3362 4101 5043 8202 10086 12303 15129 24606 30258 56047 112094 168141 336282 504423 1008846 1868689 2297927 3737378 4595854 5606067 6893781 11212134 13787562 16818201 20681343 33636402 41362686 76616249 153232498 229848747 459697494 689546241 1379092482 3141266209 6282532418 9423798627 18847597254 28271395881 56542791762