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56166415144 = 2372961566971
BaseRepresentation
bin110100010011110001…
…110111101100101000
312100222100000111221221
4310103301313230220
51410012100241034
641445201111424
74025566436320
oct642361675450
9170870014857
1056166415144
1121902528014
12aa76028574
1353b1464198
142a0b69c280
1516dae00bb4
hexd13c77b28

56166415144 has 64 divisors (see below), whose sum is σ = 126548150400. Its totient is φ = 22860230400.

The previous prime is 56166415117. The next prime is 56166415153. The reversal of 56166415144 is 44151466165.

It is a self number, because there is not a number n which added to its sum of digits gives 56166415144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184422 + ... + 382549.

It is an arithmetic number, because the mean of its divisors is an integer number (1977314850).

Almost surely, 256166415144 is an apocalyptic number.

It is an amenable number.

56166415144 is an abundant number, since it is smaller than the sum of its proper divisors (70381735256).

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

56166415144 is a wasteful number, since it uses less digits than its factorization.

56166415144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567074 (or 567070 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 56166415144 in words is "fifty-six billion, one hundred sixty-six million, four hundred fifteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 29 56 58 61 116 122 203 232 244 406 427 488 812 854 1624 1708 1769 3416 3538 7076 12383 14152 24766 49532 99064 566971 1133942 2267884 3968797 4535768 7937594 15875188 16442159 31750376 32884318 34585231 65768636 69170462 115095113 131537272 138340924 230190226 242096617 276681848 460380452 484193234 920760904 968386468 1002971699 1936772936 2005943398 4011886796 7020801893 8023773592 14041603786 28083207572 56166415144