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38238036040 = 235955950901
BaseRepresentation
bin100011100111001010…
…100010000001001000
310122200212121111100001
4203213022202001020
51111302414123130
625322153452344
72522400641431
oct434712420110
9118625544301
1038238036040
1115242413486
1274b1a110b4
1337b501c139
141bca596488
15edbe936ca
hex8e72a2048

38238036040 has 16 divisors (see below), whose sum is σ = 86035581180. Its totient is φ = 15295214400.

The previous prime is 38238036017. The next prime is 38238036059. The reversal of 38238036040 is 4063083283.

It can be written as a sum of positive squares in 2 ways, for example, as 37342470564 + 895565476 = 193242^2 + 29926^2 .

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 3 ways as a sum of consecutive naturals, for example, 477975411 + ... + 477975490.

Almost surely, 238238036040 is an apocalyptic number.

It is an amenable number.

38238036040 is an abundant number, since it is smaller than the sum of its proper divisors (47797545140).

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

38238036040 is a wasteful number, since it uses less digits than its factorization.

38238036040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955950912 (or 955950908 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 38238036040 in words is "thirty-eight billion, two hundred thirty-eight million, thirty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 955950901 1911901802 3823803604 4779754505 7647607208 9559509010 19119018020 38238036040