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131415445672631 = 3726711329752453
BaseRepresentation
bin11101111000010110001010…
…111101010001001010110111
3122020022012020100202112211222
4131320112022331101022313
5114211102313043011011
61143255231115020555
736452311152335201
oct3570261275211267
9566265210675758
10131415445672631
1138966a830a7a1a
12128a523aa3a75b
13584356714b203
142464781c81771
15102d63d703ddb
hex77858af512b7

131415445672631 has 8 divisors (see below), whose sum is σ = 135017745169344. Its totient is φ = 127815805686240.

The previous prime is 131415445672597. The next prime is 131415445672657. The reversal of 131415445672631 is 136276544514131.

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-131415445672631 is a prime.

It is a super-2 number, since 2×1314154456726312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131415445672531) 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, 664777400 + ... + 664975053.

It is an arithmetic number, because the mean of its divisors is an integer number (16877218146168).

Almost surely, 2131415445672631 is an apocalyptic number.

131415445672631 is a deficient number, since it is larger than the sum of its proper divisors (3602299496713).

131415445672631 is a wasteful number, since it uses less digits than its factorization.

131415445672631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329755161.

The product of its digits is 7257600, while the sum is 53.

The spelling of 131415445672631 in words is "one hundred thirty-one trillion, four hundred fifteen billion, four hundred forty-five million, six hundred seventy-two thousand, six hundred thirty-one".

Divisors: 1 37 2671 98827 1329752453 49200840761 3551768801963 131415445672631