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56005684854 = 23712291085003
BaseRepresentation
bin110100001010001100…
…101110111001110110
312100120010120120110020
4310022030232321312
51404144423403404
641421220110010
74021605316020
oct641214567166
9170503516406
1056005684854
112182a826a69
12aa30235306
1353870791c2
1429d41bd010
1516cbc51ed9
hexd0a32ee76

56005684854 has 32 divisors (see below), whose sum is σ = 128117272320. Its totient is φ = 15988589472.

The previous prime is 56005684853. The next prime is 56005684879. The reversal of 56005684854 is 45848650065.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56005684797 and 56005684806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005684853) 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, 490884 + ... + 594119.

It is an arithmetic number, because the mean of its divisors is an integer number (4003664760).

Almost surely, 256005684854 is an apocalyptic number.

56005684854 is an abundant number, since it is smaller than the sum of its proper divisors (72111587466).

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

56005684854 is a wasteful number, since it uses less digits than its factorization.

56005684854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086244.

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 56005684854 in words is "fifty-six billion, five million, six hundred eighty-four thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 1229 2458 3687 7374 8603 17206 25809 51618 1085003 2170006 3255009 6510018 7595021 15190042 22785063 45570126 1333468687 2666937374 4000406061 8000812122 9334280809 18668561618 28002842427 56005684854