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38467138018 = 245474229947
BaseRepresentation
bin100011110100110100…
…011111000111100010
310200021211201002011111
4203310310133013202
51112240041404033
625401020133534
72531152164301
oct436464370742
9120254632144
1038467138018
111534a773161
1275566972aa
13382062573a
141c0cb92438
15100214a7cd
hex8f4d1f1e2

38467138018 has 8 divisors (see below), whose sum is σ = 57713410512. Its totient is φ = 19229334516.

The previous prime is 38467138013. The next prime is 38467138019. The reversal of 38467138018 is 81083176483.

It is a happy number.

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 (38467138013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105880 + ... + 2124067.

It is an arithmetic number, because the mean of its divisors is an integer number (7214176314).

Almost surely, 238467138018 is an apocalyptic number.

38467138018 is a deficient number, since it is larger than the sum of its proper divisors (19246272494).

38467138018 is a wasteful number, since it uses less digits than its factorization.

38467138018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234496.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 38467138018 in words is "thirty-eight billion, four hundred sixty-seven million, one hundred thirty-eight thousand, eighteen".

Divisors: 1 2 4547 9094 4229947 8459894 19233569009 38467138018