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12315760613 = 131949861379
BaseRepresentation
bin10110111100001001…
…11001011111100101
31011210022021110110222
423132010321133211
5200210313314423
65354025254125
7614124144422
oct133604713745
934708243428
1012315760613
11524aa20262
122478634345
1312136c0220
1484b934d49
154c13443c8
hex2de1397e5

12315760613 has 8 divisors (see below), whose sum is σ = 13961186400. Its totient is φ = 10770057648.

The previous prime is 12315760601. The next prime is 12315760627. The reversal of 12315760613 is 31606751321.

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 12315760613 - 26 = 12315760549 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 (12315760673) 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, 24930443 + ... + 24930936.

It is an arithmetic number, because the mean of its divisors is an integer number (1745148300).

Almost surely, 212315760613 is an apocalyptic number.

12315760613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12315760613 is a deficient number, since it is larger than the sum of its proper divisors (1645425787).

12315760613 is a wasteful number, since it uses less digits than its factorization.

12315760613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49861411.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 12315760613 in words is "twelve billion, three hundred fifteen million, seven hundred sixty thousand, six hundred thirteen".

Divisors: 1 13 19 247 49861379 648197927 947366201 12315760613