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38551855055 = 573838833257
BaseRepresentation
bin100011111001110111…
…101001111111001111
310200111202010011002112
4203321313221333033
51112423233330210
625413244014235
72533231234610
oct437167517717
9120452104075
1038551855055
111539357633a
12757ab3137b
133835047b6c
141c1a125c07
1510097d1d05
hex8f9de9fcf

38551855055 has 32 divisors (see below), whose sum is σ = 53085487104. Its totient is φ = 26328589056.

The previous prime is 38551855049. The next prime is 38551855093. The reversal of 38551855055 is 55055815583.

It is not a de Polignac number, because 38551855055 - 24 = 38551855039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38551854994 and 38551855012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11834987 + ... + 11838243.

It is an arithmetic number, because the mean of its divisors is an integer number (1658921472).

Almost surely, 238551855055 is an apocalyptic number.

38551855055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38551855055 is a deficient number, since it is larger than the sum of its proper divisors (14533632049).

38551855055 is a wasteful number, since it uses less digits than its factorization.

38551855055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535.

The product of its (nonzero) digits is 3000000, while the sum is 50.

The spelling of 38551855055 in words is "thirty-eight billion, five hundred fifty-one million, eight hundred fifty-five thousand, fifty-five".

Divisors: 1 5 7 35 383 883 1915 2681 3257 4415 6181 13405 16285 22799 30905 113995 338189 1247431 1690945 2367323 2875931 6237155 8732017 11836615 14379655 20131517 43660085 100657585 1101481573 5507407865 7710371011 38551855055