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38680108959 = 3174723160583
BaseRepresentation
bin100100000001100000…
…111001111110011111
310200211200110010101010
4210001200321332133
51113204101441314
625434104550303
72536346333652
oct440140717637
9120750403333
1038680108959
1115449a053a8
1275b5a82393
1338557a194b
141c2d18d899
151015bb8059
hex901839f9f

38680108959 has 16 divisors (see below), whose sum is σ = 54619114752. Its totient is φ = 24264582528.

The previous prime is 38680108897. The next prime is 38680109053. The reversal of 38680108959 is 95980108683.

38680108959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-38680108959 is a prime.

It is a super-2 number, since 2×386801089592 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38680108899 and 38680108908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38680118959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160582 + ... + 321164.

It is an arithmetic number, because the mean of its divisors is an integer number (3413694672).

Almost surely, 238680108959 is an apocalyptic number.

38680108959 is a deficient number, since it is larger than the sum of its proper divisors (15939005793).

38680108959 is a wasteful number, since it uses less digits than its factorization.

38680108959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165326.

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 38680108959 in words is "thirty-eight billion, six hundred eighty million, one hundred eight thousand, nine hundred fifty-nine".

Divisors: 1 3 17 51 4723 14169 80291 160583 240873 481749 2729911 8189733 758433509 2275300527 12893369653 38680108959