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131696601577 = 1923301365221
BaseRepresentation
bin111101010100110111…
…0101010100111101001
3110120221011101112110021
41322221232222213221
54124203312222302
6140300043120441
712341364433432
oct1725156524751
9416834345407
10131696601577
1150941330aa2
1221634b13121
13c55a5312a8
146534948489
15365bc95437
hex1ea9baa9e9

131696601577 has 8 divisors (see below), whose sum is σ = 144655306560. Its totient is φ = 119340627120.

The previous prime is 131696601571. The next prime is 131696601581. The reversal of 131696601577 is 775106696131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131696601577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131696601571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150682174 + ... + 150683047.

It is an arithmetic number, because the mean of its divisors is an integer number (18081913320).

Almost surely, 2131696601577 is an apocalyptic number.

It is an amenable number.

131696601577 is a deficient number, since it is larger than the sum of its proper divisors (12958704983).

131696601577 is a wasteful number, since it uses less digits than its factorization.

131696601577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301365263.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 131696601577 in words is "one hundred thirty-one billion, six hundred ninety-six million, six hundred one thousand, five hundred seventy-seven".

Divisors: 1 19 23 437 301365221 5725939199 6931400083 131696601577