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56217323454 = 2365701142609
BaseRepresentation
bin110100010110110100…
…000100011110111110
312101002212210221000220
4310112310010132332
51410113113322304
641454220202210
74030055236125
oct642664043676
9171085727026
1056217323454
11219292391a6
12aa8b099366
1353bbb79b46
142a14350abc
1516e0609ad9
hexd16d047be

56217323454 has 16 divisors (see below), whose sum is σ = 112437146640. Its totient is φ = 18738691200.

The previous prime is 56217323447. The next prime is 56217323467. The reversal of 56217323454 is 45432371265.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 322902 + ... + 465510.

It is an arithmetic number, because the mean of its divisors is an integer number (7027321665).

Almost surely, 256217323454 is an apocalyptic number.

56217323454 is an abundant number, since it is smaller than the sum of its proper divisors (56219823186).

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

56217323454 is a wasteful number, since it uses less digits than its factorization.

56217323454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208315.

The product of its digits is 604800, while the sum is 42.

The spelling of 56217323454 in words is "fifty-six billion, two hundred seventeen million, three hundred twenty-three thousand, four hundred fifty-four".

Divisors: 1 2 3 6 65701 131402 142609 197103 285218 394206 427827 855654 9369553909 18739107818 28108661727 56217323454