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38772136904 = 2337130986949
BaseRepresentation
bin100100000110111111…
…111101101111001000
310201002002121121222112
4210012333331233020
51113401131340104
625451153241452
72541544504004
oct440677755710
9121062547875
1038772136904
1115496951356
127620863288
13386b883957
141c3b4a7704
15101dce586e
hex906ffdbc8

38772136904 has 16 divisors (see below), whose sum is σ = 74662561500. Its totient is φ = 18862120512.

The previous prime is 38772136903. The next prime is 38772136939. The reversal of 38772136904 is 40963127783.

It can be written as a sum of positive squares in 2 ways, for example, as 28123960804 + 10648176100 = 167702^2 + 103190^2 .

It is not an unprimeable number, because it can be changed into a prime (38772136903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65493179 + ... + 65493770.

Almost surely, 238772136904 is an apocalyptic number.

It is an amenable number.

38772136904 is a deficient number, since it is larger than the sum of its proper divisors (35890424596).

38772136904 is a wasteful number, since it uses less digits than its factorization.

38772136904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130986992 (or 130986988 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 38772136904 in words is "thirty-eight billion, seven hundred seventy-two million, one hundred thirty-six thousand, nine hundred four".

Divisors: 1 2 4 8 37 74 148 296 130986949 261973898 523947796 1047895592 4846517113 9693034226 19386068452 38772136904