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56512538299 = 7191729324571
BaseRepresentation
bin110100101000011010…
…001110011010111011
312101212110022101200001
4310220122032122323
51411214202211144
641543403453431
74040301435610
oct645032163273
9171773271601
1056512538299
1121a6a944508
12ab51b27277
135438090899
142a4163a507
15170b4c0bd4
hexd2868e6bb

56512538299 has 16 divisors (see below), whose sum is σ = 67991706880. Its totient is φ = 45885359520.

The previous prime is 56512538227. The next prime is 56512538387. The reversal of 56512538299 is 99283521565.

It is not a de Polignac number, because 56512538299 - 217 = 56512407227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56512538399) by changing a digit.

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, 2287684 + ... + 2312254.

It is an arithmetic number, because the mean of its divisors is an integer number (4249481680).

Almost surely, 256512538299 is an apocalyptic number.

56512538299 is a deficient number, since it is larger than the sum of its proper divisors (11479168581).

56512538299 is a wasteful number, since it uses less digits than its factorization.

56512538299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41890.

The product of its digits is 5832000, while the sum is 55.

The spelling of 56512538299 in words is "fifty-six billion, five hundred twelve million, five hundred thirty-eight thousand, two hundred ninety-nine".

Divisors: 1 7 19 133 17293 24571 121051 171997 328567 466849 2299969 3267943 424906303 2974344121 8073219757 56512538299