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12613403531 = 17374398129
BaseRepresentation
bin10111011111101000…
…10100001110001011
31012120001100021210202
423233310110032023
5201313012403111
65443341002415
7624400106141
oct135764241613
935501307722
1012613403531
115392a34843
12254025340b
1312602741b1
14879293591
154dc539b3b
hex2efd1438b

12613403531 has 8 divisors (see below), whose sum is σ = 12703517280. Its totient is φ = 12523487872.

The previous prime is 12613403503. The next prime is 12613403567. The reversal of 12613403531 is 13530431621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12613403531 - 210 = 12613402507 is a prime.

It is a super-2 number, since 2×126134035312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12613403494 and 12613403503.

It is not an unprimeable number, because it can be changed into a prime (12613400531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79475 + ... + 177603.

It is an arithmetic number, because the mean of its divisors is an integer number (1587939660).

Almost surely, 212613403531 is an apocalyptic number.

12613403531 is a deficient number, since it is larger than the sum of its proper divisors (90113749).

12613403531 is an equidigital number, since it uses as much as digits as its factorization.

12613403531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99045.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 12613403531 in words is "twelve billion, six hundred thirteen million, four hundred three thousand, five hundred thirty-one".

Divisors: 1 173 743 98129 128539 16976317 72909847 12613403531