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38710393872 = 2432927809191
BaseRepresentation
bin100100000011010100…
…011011110000010000
310200220210102202110120
4210003110123300100
51113234330100442
625441110030240
72540164630113
oct440324336020
9120823382416
1038710393872
111546500a957
127604048380
13385bb46507
141c331d457a
15101869b4ec
hex90351bc10

38710393872 has 40 divisors (see below), whose sum is σ = 103450194240. Its totient is φ = 12458517120.

The previous prime is 38710393871. The next prime is 38710393879. The reversal of 38710393872 is 27839301783.

It is not an unprimeable number, because it can be changed into a prime (38710393871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13903204 + ... + 13905987.

It is an arithmetic number, because the mean of its divisors is an integer number (2586254856).

Almost surely, 238710393872 is an apocalyptic number.

It is an amenable number.

38710393872 is an abundant number, since it is smaller than the sum of its proper divisors (64739800368).

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

38710393872 is a wasteful number, since it uses less digits than its factorization.

38710393872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809231 (or 27809225 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 38710393872 in words is "thirty-eight billion, seven hundred ten million, three hundred ninety-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 27809191 55618382 83427573 111236764 166855146 222473528 333710292 444947056 667420584 806466539 1334841168 1612933078 2419399617 3225866156 4838799234 6451732312 9677598468 12903464624 19355196936 38710393872