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131347804180 = 22541160180249
BaseRepresentation
bin111101001010011110…
…0000111000000010100
3110120000212001210101011
41322110330013000110
54123000014213210
6140201303142004
712326630625415
oct1722474070024
9416025053334
10131347804180
115078245838a
1221558144904
13c5031a95b8
1465004b180c
15363b347d8a
hex1e94f07014

131347804180 has 24 divisors (see below), whose sum is σ = 282557961000. Its totient is φ = 51257679360.

The previous prime is 131347804141. The next prime is 131347804253. The reversal of 131347804180 is 81408743131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16016927364 + 115330876816 = 126558^2 + 339604^2 .

It is a congruent 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, 80089305 + ... + 80090944.

It is an arithmetic number, because the mean of its divisors is an integer number (11773248375).

Almost surely, 2131347804180 is an apocalyptic number.

131347804180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131347804180 is an abundant number, since it is smaller than the sum of its proper divisors (151210156820).

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

131347804180 is a wasteful number, since it uses less digits than its factorization.

131347804180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160180299 (or 160180297 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 131347804180 in words is "one hundred thirty-one billion, three hundred forty-seven million, eight hundred four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 160180249 320360498 640720996 800901245 1601802490 3203604980 6567390209 13134780418 26269560836 32836951045 65673902090 131347804180