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56469836268 = 22321568606563
BaseRepresentation
bin110100100101110111…
…010101000111101100
312101202110221220111100
4310211313111013230
51411122234230033
641535240323100
74036242455106
oct644567250754
9171673856440
1056469836268
1121a4882887a
12ab3b773490
13542c28c201
142a39ac2576
151707888513
hexd25dd51ec

56469836268 has 18 divisors (see below), whose sum is σ = 142743197324. Its totient is φ = 18823278744.

The previous prime is 56469836261. The next prime is 56469836363. The reversal of 56469836268 is 86263896465.

56469836268 is a `hidden beast` number, since 56 + 469 + 8 + 3 + 62 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (56469836261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 784303246 + ... + 784303317.

Almost surely, 256469836268 is an apocalyptic number.

It is an amenable number.

56469836268 is an abundant number, since it is smaller than the sum of its proper divisors (86273361056).

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

56469836268 is a wasteful number, since it uses less digits than its factorization.

56469836268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568606573 (or 1568606568 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 63.

The spelling of 56469836268 in words is "fifty-six billion, four hundred sixty-nine million, eight hundred thirty-six thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1568606563 3137213126 4705819689 6274426252 9411639378 14117459067 18823278756 28234918134 56469836268