Search a number
BaseRepresentation
bin10001101110111000111001…
…10101001000000011010010
312010001211121011210110110110
420313130130311020003102
520102341204343102132
6214533453333142150
711133154600102215
oct1067343465100322
9163054534713413
1038994491769042
1111474520023797
12445948848a956
13189b21b095984
1498b4b46b577c
15479509b0c1cc
hex23771cd480d2

38994491769042 has 8 divisors (see below), whose sum is σ = 77988983538096. Its totient is φ = 12998163923012.

The previous prime is 38994491769031. The next prime is 38994491769043. The reversal of 38994491769042 is 24096719449983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38994491769043) 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, 3249540980748 + ... + 3249540980759.

It is an arithmetic number, because the mean of its divisors is an integer number (9748622942262).

Almost surely, 238994491769042 is an apocalyptic number.

38994491769042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38994491769042 is a wasteful number, since it uses less digits than its factorization.

38994491769042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499081961512.

The product of its (nonzero) digits is 846526464, while the sum is 75.

The spelling of 38994491769042 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-nine thousand, forty-two".