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48251118018 = 23311174322091
BaseRepresentation
bin101100111011111111…
…011010000111000010
311121112200222202120010
4230323333122013002
51242304241234033
634055524525350
73325464510315
oct547377320702
9147480882503
1048251118018
1119510553144
129427250856
13471c639c0c
14249a36297c
1513c6087863
hexb3bfda1c2

48251118018 has 32 divisors (see below), whose sum is σ = 99628204032. Its totient is φ = 15562846800.

The previous prime is 48251117983. The next prime is 48251118107. The reversal of 48251118018 is 81081115284.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173153 + ... + 2195243.

It is an arithmetic number, because the mean of its divisors is an integer number (3113381376).

Almost surely, 248251118018 is an apocalyptic number.

48251118018 is an abundant number, since it is smaller than the sum of its proper divisors (51377086014).

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

48251118018 is a wasteful number, since it uses less digits than its factorization.

48251118018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33870.

The product of its (nonzero) digits is 20480, while the sum is 39.

The spelling of 48251118018 in words is "forty-eight billion, two hundred fifty-one million, one hundred eighteen thousand, eighteen".

Divisors: 1 2 3 6 31 62 93 186 11743 22091 23486 35229 44182 66273 70458 132546 364033 684821 728066 1092099 1369642 2054463 2184198 4108926 259414613 518829226 778243839 1556487678 8041853003 16083706006 24125559009 48251118018