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1311510553113 = 31831238760341
BaseRepresentation
bin10011000101011100000…
…111101110001000011001
311122101020102111010200010
4103011130013232020121
5132441433200144423
62442255530432133
7163516311523305
oct23053407561031
94571212433603
101311510553113
11466232575102
1219221a292649
13968a0a30407
144769819ad05
15241ae714693
hex1315c1ee219

1311510553113 has 8 divisors (see below), whose sum is σ = 1749635786176. Its totient is φ = 873862844400.

The previous prime is 1311510553109. The next prime is 1311510553121. The reversal of 1311510553113 is 3113550151131.

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

It is not a de Polignac number, because 1311510553113 - 22 = 1311510553109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311510553513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119374678 + ... + 119385663.

It is an arithmetic number, because the mean of its divisors is an integer number (218704473272).

Almost surely, 21311510553113 is an apocalyptic number.

It is an amenable number.

1311510553113 is a deficient number, since it is larger than the sum of its proper divisors (438125233063).

1311510553113 is a wasteful number, since it uses less digits than its factorization.

1311510553113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238762175.

The product of its (nonzero) digits is 3375, while the sum is 30.

The spelling of 1311510553113 in words is "one trillion, three hundred eleven billion, five hundred ten million, five hundred fifty-three thousand, one hundred thirteen".

Divisors: 1 3 1831 5493 238760341 716281023 437170184371 1311510553113