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38688850052 = 22371132313373
BaseRepresentation
bin100100000010000010…
…010000000010000100
310200212021220012220022
4210002002100002010
51113213321200202
625435020154312
72536513541126
oct440202200204
9120767805808
1038688850052
1115453935746
1275b8998998
1338575424a8
141c303c7216
151016842ea2
hex902090084

38688850052 has 24 divisors (see below), whose sum is σ = 70150753176. Its totient is φ = 18655031808.

The previous prime is 38688849929. The next prime is 38688850117. The reversal of 38688850052 is 25005888683.

It can be written as a sum of positive squares in 4 ways, for example, as 1934592256 + 36754257796 = 43984^2 + 191714^2 .

It is a super-2 number, since 2×386888500522 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38688849976 and 38688850003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139963 + ... + 1173410.

It is an arithmetic number, because the mean of its divisors is an integer number (2922948049).

Almost surely, 238688850052 is an apocalyptic number.

It is an amenable number.

38688850052 is a deficient number, since it is larger than the sum of its proper divisors (31461903124).

38688850052 is a wasteful number, since it uses less digits than its factorization.

38688850052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313527 (or 2313525 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 38688850052 in words is "thirty-eight billion, six hundred eighty-eight million, eight hundred fifty thousand, fifty-two".

Divisors: 1 2 4 37 74 113 148 226 452 4181 8362 16724 2313373 4626746 9253492 85594801 171189602 261411149 342379204 522822298 1045644596 9672212513 19344425026 38688850052