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131607497436 = 22310967291453
BaseRepresentation
bin111101010010001101…
…0110000101011011100
3110120200221201120112220
41322210122300223130
54124013004404221
6140243141225340
712336233161542
oct1724432605334
9416627646486
10131607497436
11508a6001808
122160b102250
13c544c3404c
146526b91d92
1536540440c6
hex1ea46b0adc

131607497436 has 12 divisors (see below), whose sum is σ = 307084160712. Its totient is φ = 43869165808.

The previous prime is 131607497293. The next prime is 131607497459. The reversal of 131607497436 is 634794706131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483645715 + ... + 5483645738.

It is an arithmetic number, because the mean of its divisors is an integer number (25590346726).

Almost surely, 2131607497436 is an apocalyptic number.

It is an amenable number.

131607497436 is an abundant number, since it is smaller than the sum of its proper divisors (175476663276).

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

131607497436 is a wasteful number, since it uses less digits than its factorization.

131607497436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967291460 (or 10967291458 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 131607497436 in words is "one hundred thirty-one billion, six hundred seven million, four hundred ninety-seven thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 10967291453 21934582906 32901874359 43869165812 65803748718 131607497436