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56112581769 = 396749193327
BaseRepresentation
bin110100010000100100…
…100000110010001001
312100211120201111110020
4310100210200302021
51404404310104034
641435555211053
74024344034566
oct642044406211
9170746644406
1056112581769
11218850a9222
12aa5bba6a89
1353a326600a
142a0448786d
1516d631a249
hexd10920c89

56112581769 has 8 divisors (see below), whose sum is σ = 74817936000. Its totient is φ = 37407807696.

The previous prime is 56112581761. The next prime is 56112581771. The reversal of 56112581769 is 96718521165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56112581769 - 23 = 56112581761 is a prime.

It is a super-2 number, since 2×561125817692 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56112581761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193584 + ... + 386910.

It is an arithmetic number, because the mean of its divisors is an integer number (9352242000).

Almost surely, 256112581769 is an apocalyptic number.

It is an amenable number.

56112581769 is a deficient number, since it is larger than the sum of its proper divisors (18705354231).

56112581769 is a wasteful number, since it uses less digits than its factorization.

56112581769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290079.

The product of its digits is 907200, while the sum is 51.

The spelling of 56112581769 in words is "fifty-six billion, one hundred twelve million, five hundred eighty-one thousand, seven hundred sixty-nine".

Divisors: 1 3 96749 193327 290247 579981 18704193923 56112581769