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137637600780 = 22352293960013
BaseRepresentation
bin1000000000101111010…
…1110001111000001100
3111011021012102120020210
42000023311301320030
54223340211211110
6143121351242420
712641534206011
oct2001365617014
9434235376223
10137637600780
115340a923699
1222812679410
13cc9630cb34
146939999708
1538a8626520
hex200bd71e0c

137637600780 has 24 divisors (see below), whose sum is σ = 385385282352. Its totient is φ = 36703360192.

The previous prime is 137637600757. The next prime is 137637600797. The reversal of 137637600780 is 87006736731.

It is a happy number.

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, 1146979947 + ... + 1146980066.

It is an arithmetic number, because the mean of its divisors is an integer number (16057720098).

Almost surely, 2137637600780 is an apocalyptic number.

137637600780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137637600780 is an abundant number, since it is smaller than the sum of its proper divisors (247747681572).

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

137637600780 is a wasteful number, since it uses less digits than its factorization.

137637600780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293960025 (or 2293960023 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The spelling of 137637600780 in words is "one hundred thirty-seven billion, six hundred thirty-seven million, six hundred thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2293960013 4587920026 6881880039 9175840052 11469800065 13763760078 22939600130 27527520156 34409400195 45879200260 68818800390 137637600780