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13924173257 = 42713260167
BaseRepresentation
bin11001111011111001…
…00000010111001001
31022221101210021211122
430331330200113021
5212004042021012
610221403205025
71002024343211
oct147574402711
938841707748
1013924173257
1159a5918505
122847216775
13140b9b0197
149613b9241
15567655e72
hex33df205c9

13924173257 has 4 divisors (see below), whose sum is σ = 13927437696. Its totient is φ = 13920908820.

The previous prime is 13924173247. The next prime is 13924173271. The reversal of 13924173257 is 75237142931.

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 13924173257 - 210 = 13924172233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13924173247) 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, 1625813 + ... + 1634354.

It is an arithmetic number, because the mean of its divisors is an integer number (3481859424).

Almost surely, 213924173257 is an apocalyptic number.

It is an amenable number.

13924173257 is a deficient number, since it is larger than the sum of its proper divisors (3264439).

13924173257 is an equidigital number, since it uses as much as digits as its factorization.

13924173257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264438.

The product of its digits is 317520, while the sum is 44.

The spelling of 13924173257 in words is "thirteen billion, nine hundred twenty-four million, one hundred seventy-three thousand, two hundred fifty-seven".

Divisors: 1 4271 3260167 13924173257