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38317108816 = 247342117043
BaseRepresentation
bin100011101011111000…
…001010111001010000
310122220101101210210101
4203223320022321100
51111433134440231
625334100342144
72524351023340
oct435370127120
9118811353711
1038317108816
1115283010a88
1275143a4954
1337c851646c
141bd6c9ad20
15ee3db2661
hex8ebe0ae50

38317108816 has 20 divisors (see below), whose sum is σ = 84845026912. Its totient is φ = 16421618016.

The previous prime is 38317108813. The next prime is 38317108831. The reversal of 38317108816 is 61880171383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38317108813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171058410 + ... + 171058633.

Almost surely, 238317108816 is an apocalyptic number.

It is an amenable number.

38317108816 is an abundant number, since it is smaller than the sum of its proper divisors (46527918096).

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

38317108816 is a wasteful number, since it uses less digits than its factorization.

38317108816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342117058 (or 342117052 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 38317108816 in words is "thirty-eight billion, three hundred seventeen million, one hundred eight thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 112 342117043 684234086 1368468172 2394819301 2736936344 4789638602 5473872688 9579277204 19158554408 38317108816