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38368868554 = 2591129288007
BaseRepresentation
bin100011101110111101…
…100111100011001010
310200000222210110210201
4203232331213203022
51112034412243204
625343150002414
72525550000352
oct435675474312
9120028713721
1038368868554
11152aa253925
1275297a640a
133806169823
141bddad1b62
15ee86d89a4
hex8eef678ca

38368868554 has 16 divisors (see below), whose sum is σ = 58580827200. Its totient is φ = 18842504544.

The previous prime is 38368868537. The next prime is 38368868563. The reversal of 38368868554 is 45586886383.

It is a super-2 number, since 2×383688685542 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10782 + ... + 277225.

It is an arithmetic number, because the mean of its divisors is an integer number (3661301700).

Almost surely, 238368868554 is an apocalyptic number.

38368868554 is a deficient number, since it is larger than the sum of its proper divisors (20211958646).

38368868554 is a wasteful number, since it uses less digits than its factorization.

38368868554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289197.

The product of its digits is 132710400, while the sum is 64.

The spelling of 38368868554 in words is "thirty-eight billion, three hundred sixty-eight million, eight hundred sixty-eight thousand, five hundred fifty-four".

Divisors: 1 2 59 118 1129 2258 66611 133222 288007 576014 16992413 33984826 325159903 650319806 19184434277 38368868554