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13015460053 = 44329380271
BaseRepresentation
bin11000001111100100…
…00010100011010101
31020121001212212200001
430013302002203111
5203123424210203
65551302251301
7640351404451
oct140762024325
936531785601
1013015460053
115579984862
122632a26b31
1312c565586b
148b6831661
155129a791d
hex307c828d5

13015460053 has 4 divisors (see below), whose sum is σ = 13044840768. Its totient is φ = 12986079340.

The previous prime is 13015460027. The next prime is 13015460063. The reversal of 13015460053 is 35006451031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13015460053 - 25 = 13015460021 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 (13015460063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14689693 + ... + 14690578.

It is an arithmetic number, because the mean of its divisors is an integer number (3261210192).

Almost surely, 213015460053 is an apocalyptic number.

It is an amenable number.

13015460053 is a deficient number, since it is larger than the sum of its proper divisors (29380715).

13015460053 is an equidigital number, since it uses as much as digits as its factorization.

13015460053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29380714.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 13015460053 in words is "thirteen billion, fifteen million, four hundred sixty thousand, fifty-three".

Divisors: 1 443 29380271 13015460053