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38230328688 = 2431746850893
BaseRepresentation
bin100011100110101101…
…001000010101110000
310122200100002220211120
4203212231020111300
51111243431004223
625321320342240
72522245301136
oct434655102560
9118610086746
1038230328688
1115239029872
1274ab314980
1337b3550c86
141bc954b756
15edb46ebe3
hex8e6b48570

38230328688 has 40 divisors (see below), whose sum is σ = 104571195408. Its totient is φ = 11993828352.

The previous prime is 38230328651. The next prime is 38230328693. The reversal of 38230328688 is 88682303283.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 38230328688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23424631 + ... + 23426262.

Almost surely, 238230328688 is an apocalyptic number.

It is an amenable number.

38230328688 is an abundant number, since it is smaller than the sum of its proper divisors (66340866720).

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

38230328688 is a wasteful number, since it uses less digits than its factorization.

38230328688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46850921 (or 46850915 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 38230328688 in words is "thirty-eight billion, two hundred thirty million, three hundred twenty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 46850893 93701786 140552679 187403572 281105358 374807144 562210716 749614288 796465181 1124421432 1592930362 2248842864 2389395543 3185860724 4778791086 6371721448 9557582172 12743442896 19115164344 38230328688