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38687037172 = 227101122911131
BaseRepresentation
bin100100000001111011…
…010101011011110100
310200212011111010002121
4210001323111123310
51113212340142142
625434513245324
72536462250560
oct440173253364
9120764433077
1038687037172
11154529076a3
1275b8263844
133857059294
141c300746a0
1510165d5c67
hex901ed56f4

38687037172 has 48 divisors (see below), whose sum is σ = 78210760320. Its totient is φ = 16401168000.

The previous prime is 38687037161. The next prime is 38687037199. The reversal of 38687037172 is 27173078683.

38687037172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3470047 + ... + 3481177.

It is an arithmetic number, because the mean of its divisors is an integer number (1629390840).

Almost surely, 238687037172 is an apocalyptic number.

It is an amenable number.

38687037172 is an abundant number, since it is smaller than the sum of its proper divisors (39523723148).

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

38687037172 is a wasteful number, since it uses less digits than its factorization.

38687037172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12472 (or 12470 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 38687037172 in words is "thirty-eight billion, six hundred eighty-seven million, thirty-seven thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 101 202 404 707 1229 1414 2458 2828 4916 8603 11131 17206 22262 34412 44524 77917 124129 155834 248258 311668 496516 868903 1124231 1737806 2248462 3475612 4496924 7869617 13679999 15739234 27359998 31478468 54719996 95759993 191519986 383039972 1381679899 2763359798 5526719596 9671759293 19343518586 38687037172