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13115675117 = 17771510301
BaseRepresentation
bin11000011011100000…
…10101000111101101
31020212001110022220002
430031300111013231
5203330103100432
610005242234045
7643006253606
oct141560250755
936761408802
1013115675117
115620502926
1226604b5925
13131034320c
148c5c7adad
1551b6a0e62
hex30dc151ed

13115675117 has 4 divisors (see below), whose sum is σ = 13887185436. Its totient is φ = 12344164800.

The previous prime is 13115675093. The next prime is 13115675141. The reversal of 13115675117 is 71157651131.

13115675117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13115675093) and next prime (13115675141).

It can be written as a sum of positive squares in 2 ways, for example, as 6427870276 + 6687804841 = 80174^2 + 81779^2 .

It is a cyclic number.

It is not a de Polignac number, because 13115675117 - 210 = 13115674093 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 (13115675147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385755134 + ... + 385755167.

It is an arithmetic number, because the mean of its divisors is an integer number (3471796359).

Almost surely, 213115675117 is an apocalyptic number.

13115675117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13115675117 is a deficient number, since it is larger than the sum of its proper divisors (771510319).

13115675117 is an equidigital number, since it uses as much as digits as its factorization.

13115675117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771510318.

The product of its digits is 22050, while the sum is 38.

The spelling of 13115675117 in words is "thirteen billion, one hundred fifteen million, six hundred seventy-five thousand, one hundred seventeen".

Divisors: 1 17 771510301 13115675117