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13686935286241 = 71955276469463
BaseRepresentation
bin1100011100101011110011…
…1010100111000111100001
31210110110101001102200222001
43013022330322213013201
53243221320413124431
645035405151444001
72611564005241420
oct307127472470741
953413331380861
1013686935286241
1143a7662173598
121650752b26601
13783898515ca9
143546461572b7
1518b0667a7e61
hexc72bcea71e1

13686935286241 has 4 divisors (see below), whose sum is σ = 15642211755712. Its totient is φ = 11731658816772.

The previous prime is 13686935286181. The next prime is 13686935286259. The reversal of 13686935286241 is 14268253968631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13686935286241 - 215 = 13686935253473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13686935286641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977638234725 + ... + 977638234738.

It is an arithmetic number, because the mean of its divisors is an integer number (3910552938928).

Almost surely, 213686935286241 is an apocalyptic number.

It is an amenable number.

13686935286241 is a deficient number, since it is larger than the sum of its proper divisors (1955276469471).

13686935286241 is an equidigital number, since it uses as much as digits as its factorization.

13686935286241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955276469470.

The product of its digits is 89579520, while the sum is 64.

The spelling of 13686935286241 in words is "thirteen trillion, six hundred eighty-six billion, nine hundred thirty-five million, two hundred eighty-six thousand, two hundred forty-one".

Divisors: 1 7 1955276469463 13686935286241