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12752526401513 = 23554457669631
BaseRepresentation
bin1011100110010010110111…
…0011100101111111101001
31200011010111111021011111122
42321210231303211333221
53132414133224322023
643042232454305025
72454224330620613
oct271445563457751
950133444234448
1012752526401513
114077352772388
12151b637358175
13716734140a82
14321322d77db3
15171ac85612c8
hexb992dce5fe9

12752526401513 has 4 divisors (see below), whose sum is σ = 13306984071168. Its totient is φ = 12198068731860.

The previous prime is 12752526401509. The next prime is 12752526401519. The reversal of 12752526401513 is 31510462525721.

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 12752526401513 - 22 = 12752526401509 is a prime.

It is a super-2 number, since 2×127525264015132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12752526401519) 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, 277228834793 + ... + 277228834838.

It is an arithmetic number, because the mean of its divisors is an integer number (3326746017792).

Almost surely, 212752526401513 is an apocalyptic number.

It is an amenable number.

12752526401513 is a deficient number, since it is larger than the sum of its proper divisors (554457669655).

12752526401513 is an equidigital number, since it uses as much as digits as its factorization.

12752526401513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554457669654.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 12752526401513 in words is "twelve trillion, seven hundred fifty-two billion, five hundred twenty-six million, four hundred one thousand, five hundred thirteen".

Divisors: 1 23 554457669631 12752526401513