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131340122526 = 23313499201809
BaseRepresentation
bin111101001010001111…
…0110011100110011110
3110120000022121112010110
41322110132303212132
54122441032410101
6140200430350450
712326505423054
oct1722436634636
9416008545113
10131340122526
1150779091008
122155565b426
13c50171a042
1464dd4721d4
15363a82bcd6
hex1e947b399e

131340122526 has 32 divisors (see below), whose sum is σ = 271232640000. Its totient is φ = 42355463040.

The previous prime is 131340122521. The next prime is 131340122531. The reversal of 131340122526 is 625221043131.

It is an interprime number because it is at equal distance from previous prime (131340122521) and next prime (131340122531).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131340122493 and 131340122502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131340122521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549910 + ... + 751718.

It is an arithmetic number, because the mean of its divisors is an integer number (8476020000).

Almost surely, 2131340122526 is an apocalyptic number.

131340122526 is an abundant number, since it is smaller than the sum of its proper divisors (139892517474).

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

131340122526 is a wasteful number, since it uses less digits than its factorization.

131340122526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205344.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 131340122526 its reverse (625221043131), we get a palindrome (756561165657).

The spelling of 131340122526 in words is "one hundred thirty-one billion, three hundred forty million, one hundred twenty-two thousand, five hundred twenty-six".

Divisors: 1 2 3 6 31 62 93 186 3499 6998 10497 20994 108469 201809 216938 325407 403618 605427 650814 1210854 6256079 12512158 18768237 37536474 706129691 1412259382 2118389073 4236778146 21890020421 43780040842 65670061263 131340122526