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131345425550540 = 22515101434889827
BaseRepresentation
bin11101110111010100111101…
…011011101100110011001100
3122020001111111112112210122202
4131313110331123230303030
5114203430412420104130
61143203131104501032
736444252042200435
oct3567247533546314
9566044445483582
10131345425550540
113893a311611923
121289375931a778
135839a887a99c6
14246121c70c48c
15102b8e146b145
hex77753d6ecccc

131345425550540 has 24 divisors (see below), whose sum is σ = 275843659663152. Its totient is φ = 52534690980800.

The previous prime is 131345425550519. The next prime is 131345425550561. The reversal of 131345425550540 is 45055524543131.

It is an interprime number because it is at equal distance from previous prime (131345425550519) and next prime (131345425550561).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217142894 + ... + 217746933.

It is an arithmetic number, because the mean of its divisors is an integer number (11493485819298).

Almost surely, 2131345425550540 is an apocalyptic number.

131345425550540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131345425550540 is an abundant number, since it is smaller than the sum of its proper divisors (144498234112612).

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

131345425550540 is a wasteful number, since it uses less digits than its factorization.

131345425550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434904937 (or 434904935 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 131345425550540 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred twenty-five million, five hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 15101 30202 60404 75505 151010 302020 434889827 869779654 1739559308 2174449135 4348898270 8697796540 6567271277527 13134542555054 26269085110108 32836356387635 65672712775270 131345425550540