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45972863208 = 2332638511989
BaseRepresentation
bin101010110100001100…
…100011100011101000
311101122221001102111100
4222310030203203220
51223123023110313
633041502001400
73215151614106
oct526414434350
9141587042440
1045972863208
1118551534628
128ab0276260
13444863964c
142321954c76
1512e105e173
hexab43238e8

45972863208 has 24 divisors (see below), whose sum is σ = 124509838050. Its totient is φ = 15324287712.

The previous prime is 45972863159. The next prime is 45972863213. The reversal of 45972863208 is 80236827954.

45972863208 is a `hidden beast` number, since 4 + 597 + 28 + 6 + 3 + 20 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44623182564 + 1349680644 = 211242^2 + 36738^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×459728632082 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319255923 + ... + 319256066.

Almost surely, 245972863208 is an apocalyptic number.

It is an amenable number.

45972863208 is an abundant number, since it is smaller than the sum of its proper divisors (78536974842).

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

45972863208 is a wasteful number, since it uses less digits than its factorization.

45972863208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638512001 (or 638511994 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 45972863208 in words is "forty-five billion, nine hundred seventy-two million, eight hundred sixty-three thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 638511989 1277023978 1915535967 2554047956 3831071934 5108095912 5746607901 7662143868 11493215802 15324287736 22986431604 45972863208