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12745393160715 = 335186750567927
BaseRepresentation
bin1011100101111000010010…
…1000011100001000001011
31200010110002100210222201000
42321132010220130020023
53132310031122120330
643035053000230043
72453552503232325
oct271360450341013
950113070728630
1012745393160715
114074322192a56
12151a18646b323
13715b68356227
14320c47856615
1517180c1c8560
hexb9784a1c20b

12745393160715 has 32 divisors (see below), whose sum is σ = 22670613480960. Its totient is φ = 6793901993952.

The previous prime is 12745393160711. The next prime is 12745393160737. The reversal of 12745393160715 is 51706139354721.

12745393160715 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 539 + 31 + 6 + 0 + 71 + 5 = 666.

It is not a de Polignac number, because 12745393160715 - 22 = 12745393160711 is a prime.

It is a super-2 number, since 2×127453931607152 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12745393160711) 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 31 ways as a sum of consecutive naturals, for example, 25031919 + ... + 25536008.

It is an arithmetic number, because the mean of its divisors is an integer number (708456671280).

Almost surely, 212745393160715 is an apocalyptic number.

12745393160715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12745393160715 is a deficient number, since it is larger than the sum of its proper divisors (9925220320245).

12745393160715 is a wasteful number, since it uses less digits than its factorization.

12745393160715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50569808 (or 50569802 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 12745393160715 in words is "twelve trillion, seven hundred forty-five billion, three hundred ninety-three million, one hundred sixty thousand, seven hundred fifteen".

Divisors: 1 3 5 9 15 27 45 135 1867 5601 9335 16803 28005 50409 84015 252045 50567927 151703781 252839635 455111343 758518905 1365334029 2275556715 6826670145 94410319709 283230959127 472051598545 849692877381 1416154795635 2549078632143 4248464386905 12745393160715