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38397588664 = 2330671564949
BaseRepresentation
bin100011110000101011…
…001011010010111000
310200002222211121101111
4203300223023102320
51112114240314124
625350053330104
72526346055431
oct436053132270
9120088747344
1038397588664
111531448a756
127537336934
13380c0b4086
141c0384a488
15eeaead494
hex8f0acb4b8

38397588664 has 16 divisors (see below), whose sum is σ = 72018999000. Its totient is φ = 19192522272.

The previous prime is 38397588659. The next prime is 38397588667. The reversal of 38397588664 is 46688579383.

It is a self number, because there is not a number n which added to its sum of digits gives 38397588664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38397588667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757939 + ... + 807010.

Almost surely, 238397588664 is an apocalyptic number.

It is an amenable number.

38397588664 is a deficient number, since it is larger than the sum of its proper divisors (33621410336).

38397588664 is a wasteful number, since it uses less digits than its factorization.

38397588664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568022 (or 1568018 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 67.

The spelling of 38397588664 in words is "thirty-eight billion, three hundred ninety-seven million, five hundred eighty-eight thousand, six hundred sixty-four".

Divisors: 1 2 4 8 3067 6134 12268 24536 1564949 3129898 6259796 12519592 4799698583 9599397166 19198794332 38397588664