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13913905137995 = 52782781027599
BaseRepresentation
bin1100101001111001010101…
…0111111000100101001011
31211021011012222020210212202
43022132111113320211023
53310431134203403440
645331543151230415
72634150353165012
oct312362527704513
954234188223782
1013913905137995
114484943796575
12168873681840b
1379c0ca1bb415
1436161806da79
15191dec809615
hexca7955f894b

13913905137995 has 4 divisors (see below), whose sum is σ = 16696686165600. Its totient is φ = 11131124110392.

The previous prime is 13913905137973. The next prime is 13913905138033. The reversal of 13913905137995 is 59973150931931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13913905137995 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391390513795 + ... + 1391390513804.

It is an arithmetic number, because the mean of its divisors is an integer number (4174171541400).

Almost surely, 213913905137995 is an apocalyptic number.

13913905137995 is a deficient number, since it is larger than the sum of its proper divisors (2782781027605).

13913905137995 is an equidigital number, since it uses as much as digits as its factorization.

13913905137995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782781027604.

The product of its (nonzero) digits is 31000725, while the sum is 65.

The spelling of 13913905137995 in words is "thirteen trillion, nine hundred thirteen billion, nine hundred five million, one hundred thirty-seven thousand, nine hundred ninety-five".

Divisors: 1 5 2782781027599 13913905137995