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131376146373613 = 4391116672011843
BaseRepresentation
bin11101110111110001100100…
…100010010101101111101101
3122020011102210112012022101201
4131313301210202111233231
5114204431321432423423
61143225211330405501
736446420243655331
oct3567614442255755
9566142715168351
10131376146373613
11389513467279a9
12128996b1730891
13583c9432c211b
1424628d47917c1
15102c5dd4cc2ad
hex777c64895bed

131376146373613 has 16 divisors (see below), whose sum is σ = 134659768421376. Its totient is φ = 128103073665840.

The previous prime is 131376146373503. The next prime is 131376146373761. The reversal of 131376146373613 is 316373641673131.

It is a cyclic number.

It is not a de Polignac number, because 131376146373613 - 237 = 131238707420141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131376146323613) 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, 64295470 + ... + 66307312.

It is an arithmetic number, because the mean of its divisors is an integer number (8416235526336).

Almost surely, 2131376146373613 is an apocalyptic number.

It is an amenable number.

131376146373613 is a deficient number, since it is larger than the sum of its proper divisors (3283622047763).

131376146373613 is a wasteful number, since it uses less digits than its factorization.

131376146373613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014464.

The product of its digits is 10287648, while the sum is 55.

The spelling of 131376146373613 in words is "one hundred thirty-one trillion, three hundred seventy-six billion, one hundred forty-six million, three hundred seventy-three thousand, six hundred thirteen".

Divisors: 1 43 911 1667 39173 71681 1518637 2011843 65301391 86509249 1832788973 3353742281 78809925839 144210918083 3055259217991 131376146373613