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13455242665 = 52992794777
BaseRepresentation
bin11001000011111111…
…01011010110101001
31021201201102010222221
430201333223112221
5210024020231130
610103052314041
7654301450504
oct144177532651
937651363887
1013455242665
115785151a67
122736172921
1313657b5a67
14918dd013b
1553b3c887a
hex321feb5a9

13455242665 has 8 divisors (see below), whose sum is σ = 16703060040. Its totient is φ = 10393014912.

The previous prime is 13455242657. The next prime is 13455242707. The reversal of 13455242665 is 56624255431.

It can be written as a sum of positive squares in 4 ways, for example, as 300987801 + 13154254864 = 17349^2 + 114692^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13455242665 - 23 = 13455242657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46397244 + ... + 46397533.

It is an arithmetic number, because the mean of its divisors is an integer number (2087882505).

Almost surely, 213455242665 is an apocalyptic number.

It is an amenable number.

13455242665 is a deficient number, since it is larger than the sum of its proper divisors (3247817375).

13455242665 is an equidigital number, since it uses as much as digits as its factorization.

13455242665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92794811.

The product of its digits is 864000, while the sum is 43.

The spelling of 13455242665 in words is "thirteen billion, four hundred fifty-five million, two hundred forty-two thousand, six hundred sixty-five".

Divisors: 1 5 29 145 92794777 463973885 2691048533 13455242665