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8838106564 = 227315646663
BaseRepresentation
bin10000011101100101…
…01100110111000100
3211210221110022222011
420032302230313010
5121100023402224
64020555144004
7432005444350
oct101662546704
924727408864
108838106564
113825976301
121867a45004
13aab078a71
145dbb12460
1536ad9d394
hex20ecacdc4

8838106564 has 12 divisors (see below), whose sum is σ = 17676213184. Its totient is φ = 3787759944.

The previous prime is 8838106517. The next prime is 8838106577. The reversal of 8838106564 is 4656018388.

8838106564 is an admirable number.

It is a super-2 number, since 2×88381065642 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157823304 + ... + 157823359.

Almost surely, 28838106564 is an apocalyptic number.

It is an amenable number.

8838106564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8838106564 is a wasteful number, since it uses less digits than its factorization.

8838106564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315646674 (or 315646672 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 8838106564 is about 94011.2044598940. The cubic root of 8838106564 is about 2067.5359888500.

The spelling of 8838106564 in words is "eight billion, eight hundred thirty-eight million, one hundred six thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 315646663 631293326 1262586652 2209526641 4419053282 8838106564