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38995541568 = 263267700593
BaseRepresentation
bin100100010100010100…
…001011111001000000
310201122122222202120100
4210110110023321000
51114330324312233
625525253442400
72550226430364
oct442424137100
9121578882510
1038995541568
11155a0a6a605
127683640400
1338a5c43c69
141c5d01d2a4
151033724813
hex91450be40

38995541568 has 42 divisors (see below), whose sum is σ = 111773680694. Its totient is φ = 12998513664.

The previous prime is 38995541527. The next prime is 38995541587. The reversal of 38995541568 is 86514559983.

38995541568 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 554 + 15 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38796393024 + 199148544 = 196968^2 + 14112^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33849721 + ... + 33850872.

Almost surely, 238995541568 is an apocalyptic number.

It is an amenable number.

38995541568 is an abundant number, since it is smaller than the sum of its proper divisors (72778139126).

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

38995541568 is a wasteful number, since it uses less digits than its factorization.

38995541568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67700611 (or 67700598 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 63.

The spelling of 38995541568 in words is "thirty-eight billion, nine hundred ninety-five million, five hundred forty-one thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 67700593 135401186 203101779 270802372 406203558 541604744 609305337 812407116 1083209488 1218610674 1624814232 2166418976 2437221348 3249628464 4332837952 4874442696 6499256928 9748885392 12998513856 19497770784 38995541568