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13015341264252 = 2235320464373057
BaseRepresentation
bin1011110101100101111011…
…0010101110110101111100
31201002020212111210111111210
42331121132302232311330
53201220404330424002
643403055405044420
72512220201242335
oct275313662566574
951066774714453
1013015341264252
11416885891a688
121562563556710
1373545911c382
1432dd356c128c
1517885b40b96c
hexbd65ecaed7c

13015341264252 has 24 divisors (see below), whose sum is σ = 30942132063696. Its totient is φ = 4256589595648.

The previous prime is 13015341264241. The next prime is 13015341264259. The reversal of 13015341264252 is 25246214351031.

It is a self number, because there is not a number n which added to its sum of digits gives 13015341264252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015341264259) 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, 10232185893 + ... + 10232187164.

It is an arithmetic number, because the mean of its divisors is an integer number (1289255502654).

Almost surely, 213015341264252 is an apocalyptic number.

13015341264252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13015341264252 is an abundant number, since it is smaller than the sum of its proper divisors (17926790799444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13015341264252 is a wasteful number, since it uses less digits than its factorization.

13015341264252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20464373117 (or 20464373115 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 13015341264252 in words is "thirteen trillion, fifteen billion, three hundred forty-one million, two hundred sixty-four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 20464373057 40928746114 61393119171 81857492228 122786238342 245572476684 1084611772021 2169223544042 3253835316063 4338447088084 6507670632126 13015341264252