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1315500055131 = 3739593369443
BaseRepresentation
bin10011001001001001111…
…010011101101001011011
311122202112110102211121010
4103021021322131221123
5133023121003231011
62444155443345003
7164020213654443
oct23111172355133
94582473384533
101315500055131
1146799a539009
12192b52382163
13970884176b2
1447955d7b123
1524344ab41a6
hex13249e9da5b

1315500055131 has 8 divisors (see below), whose sum is σ = 1756373554240. Its totient is φ = 875813296392.

The previous prime is 1315500055117. The next prime is 1315500055139.

1315500055131 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1315500055131 - 29 = 1315500054619 is a prime.

It is a super-2 number, since 2×13155000551312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315500055139) 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, 296682505 + ... + 296686938.

It is an arithmetic number, because the mean of its divisors is an integer number (219546694280).

Almost surely, 21315500055131 is an apocalyptic number.

1315500055131 is a deficient number, since it is larger than the sum of its proper divisors (440873499109).

1315500055131 is an equidigital number, since it uses as much as digits as its factorization.

1315500055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593370185.

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 1315500055131 in words is "one trillion, three hundred fifteen billion, five hundred million, fifty-five thousand, one hundred thirty-one".

Divisors: 1 3 739 2217 593369443 1780108329 438500018377 1315500055131