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13925792689 = 31449219119
BaseRepresentation
bin11001111100000101…
…01011101110110001
31022221111211120021121
430332002223232301
5212010000331224
610221502022241
71002044166454
oct147602535661
938844746247
1013925792689
1159a6824186
122847877981
13140c129323
149616bb49b
15567875be4
hex33e0abbb1

13925792689 has 4 divisors (see below), whose sum is σ = 14375011840. Its totient is φ = 13476573540.

The previous prime is 13925792687. The next prime is 13925792711. The reversal of 13925792689 is 98629752931.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98629752931 = 191516386141.

It is a cyclic number.

It is not a de Polignac number, because 13925792689 - 21 = 13925792687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13925792687) 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 3 ways as a sum of consecutive naturals, for example, 224609529 + ... + 224609590.

It is an arithmetic number, because the mean of its divisors is an integer number (3593752960).

Almost surely, 213925792689 is an apocalyptic number.

It is an amenable number.

13925792689 is a deficient number, since it is larger than the sum of its proper divisors (449219151).

13925792689 is an equidigital number, since it uses as much as digits as its factorization.

13925792689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449219150.

The product of its digits is 14696640, while the sum is 61.

The spelling of 13925792689 in words is "thirteen billion, nine hundred twenty-five million, seven hundred ninety-two thousand, six hundred eighty-nine".

Divisors: 1 31 449219119 13925792689