Search a number
-
+
13512405137159 = 15413876688843
BaseRepresentation
bin1100010010100001101000…
…0110111011011100000111
31202211202212202011111120102
43010220122012323130013
53232341401203342114
644423302504554315
72563144665403505
oct304503206733407
952752782144512
1013512405137159
11433a640483365
12162296518299b
137702a2b8a626
1434a00a9a7675
1518674e3b62de
hexc4a1a1bb707

13512405137159 has 4 divisors (see below), whose sum is σ = 13513281841416. Its totient is φ = 13511528432904.

The previous prime is 13512405137131. The next prime is 13512405137171. The reversal of 13512405137159 is 95173150421531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13512405137159 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 (13512405137129) 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, 438329009 + ... + 438359834.

It is an arithmetic number, because the mean of its divisors is an integer number (3378320460354).

Almost surely, 213512405137159 is an apocalyptic number.

13512405137159 is a deficient number, since it is larger than the sum of its proper divisors (876704257).

13512405137159 is an equidigital number, since it uses as much as digits as its factorization.

13512405137159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876704256.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 13512405137159 in words is "thirteen trillion, five hundred twelve billion, four hundred five million, one hundred thirty-seven thousand, one hundred fifty-nine".

Divisors: 1 15413 876688843 13512405137159