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38455640883 = 3211625762081
BaseRepresentation
bin100011110100001000…
…101000001100110011
310200021001001222001200
4203310020220030303
51112224121002013
625355525502243
72530652361042
oct436410501463
9120231058050
1038455640883
11153442301a0
127552871983
13381b12b5ba
141c0b43c559
151001128e73
hex8f4228333

38455640883 has 24 divisors (see below), whose sum is σ = 60607428336. Its totient is φ = 23302348800.

The previous prime is 38455640827. The next prime is 38455640897. The reversal of 38455640883 is 38804655483.

38455640883 is a `hidden beast` number, since 3 + 8 + 4 + 556 + 4 + 0 + 8 + 83 = 666.

It is not a de Polignac number, because 38455640883 - 29 = 38455640371 is a prime.

It is a super-2 number, since 2×384556408832 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38455640803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588403 + ... + 650483.

It is an arithmetic number, because the mean of its divisors is an integer number (2525309514).

Almost surely, 238455640883 is an apocalyptic number.

38455640883 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38455640883 is a deficient number, since it is larger than the sum of its proper divisors (22151787453).

38455640883 is a wasteful number, since it uses less digits than its factorization.

38455640883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68355 (or 68352 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 38455640883 in words is "thirty-eight billion, four hundred fifty-five million, six hundred forty thousand, eight hundred eighty-three".

Divisors: 1 3 9 11 33 99 6257 18771 56313 62081 68827 186243 206481 558729 619443 682891 2048673 6146019 388440817 1165322451 3495967353 4272848987 12818546961 38455640883