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13071513936425 = 52774694365351
BaseRepresentation
bin1011111000110111001011…
…1100011110001000101001
31201021121212021120220111112
42332031302330132020221
53203130430031431200
643444545352240105
72516246205132020
oct276156274361051
951247767526445
1013071513936425
11418a66393069a
12157141b6a0035
1373a83b964529
14332943b2b8b7
1517a047b46535
hexbe372f1e229

13071513936425 has 12 divisors (see below), whose sum is σ = 18524202607296. Its totient is φ = 8963323842000.

The previous prime is 13071513936389. The next prime is 13071513936427. The reversal of 13071513936425 is 52463931517031.

It is not a de Polignac number, because 13071513936425 - 26 = 13071513936361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13071513936427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37347182501 + ... + 37347182850.

It is an arithmetic number, because the mean of its divisors is an integer number (1543683550608).

Almost surely, 213071513936425 is an apocalyptic number.

It is an amenable number.

13071513936425 is a deficient number, since it is larger than the sum of its proper divisors (5452688670871).

13071513936425 is an equidigital number, since it uses as much as digits as its factorization.

13071513936425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74694365368 (or 74694365363 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 13071513936425 in words is "thirteen trillion, seventy-one billion, five hundred thirteen million, nine hundred thirty-six thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 74694365351 373471826755 522860557457 1867359133775 2614302787285 13071513936425