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131544073582257 = 3719329684394943
BaseRepresentation
bin11101111010001101111101…
…110001110011011010110001
3122020202111020122212101022210
4131322031331301303122301
5114220204230314113012
61143434302501322333
736464513525461110
oct3572157561633261
9566674218771283
10131544073582257
1138a0658a210266
12129061581063a9
13585272599693b
14246aaa5021c77
151031b6ad8723c
hex77a37dc736b1

131544073582257 has 16 divisors (see below), whose sum is σ = 210998012764160. Its totient is φ = 71211829307472.

The previous prime is 131544073582237. The next prime is 131544073582301. The reversal of 131544073582257 is 752285370445131.

It is not a de Polignac number, because 131544073582257 - 214 = 131544073565873 is a prime.

It is a super-2 number, since 2×1315440735822572 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131544073582197 and 131544073582206.

It is not an unprimeable number, because it can be changed into a prime (131544073582217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 164842197073 + ... + 164842197870.

It is an arithmetic number, because the mean of its divisors is an integer number (13187375797760).

Almost surely, 2131544073582257 is an apocalyptic number.

It is an amenable number.

131544073582257 is a deficient number, since it is larger than the sum of its proper divisors (79453939181903).

131544073582257 is a wasteful number, since it uses less digits than its factorization.

131544073582257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329684394972.

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 131544073582257 in words is "one hundred thirty-one trillion, five hundred forty-four billion, seventy-three million, five hundred eighty-two thousand, two hundred fifty-seven".

Divisors: 1 3 7 19 21 57 133 399 329684394943 989053184829 2307790764601 6264003503917 6923372293803 18792010511751 43848024527419 131544073582257