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13460012531 = 717277408337
BaseRepresentation
bin11001000100100011…
…10111110111110011
31021202001101111000122
430202101313313303
5210031230400111
610103342440455
7654360135020
oct144221676763
937661344018
1013460012531
11578790a6a9
12273789312b
131366795b74
149198b2547
1553ba1bcdb
hex322477df3

13460012531 has 16 divisors (see below), whose sum is σ = 16346586816. Its totient is φ = 10819270656.

The previous prime is 13460012483. The next prime is 13460012537. The reversal of 13460012531 is 13521006431.

It is a cyclic number.

It is not a de Polignac number, because 13460012531 - 210 = 13460011507 is a prime.

It is a super-2 number, since 2×134600125312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13460012531.

It is not an unprimeable number, because it can be changed into a prime (13460012537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171206 + ... + 237131.

It is an arithmetic number, because the mean of its divisors is an integer number (1021661676).

Almost surely, 213460012531 is an apocalyptic number.

13460012531 is a deficient number, since it is larger than the sum of its proper divisors (2886574285).

13460012531 is a wasteful number, since it uses less digits than its factorization.

13460012531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408638.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13460012531 its reverse (13521006431), we get a palindrome (26981018962).

The spelling of 13460012531 in words is "thirteen billion, four hundred sixty million, twelve thousand, five hundred thirty-one".

Divisors: 1 7 17 119 277 1939 4709 32963 408337 2858359 6941729 48592103 113109349 791765443 1922858933 13460012531