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13086649293 = 34362216431
BaseRepresentation
bin11000011000000011…
…00110101111001101
31020210000211122221120
430030001212233031
5203300140234133
610002324151153
7642204453324
oct141401465715
936700748846
1013086649293
115606088343
1226528384b9
13130731c783
148c20830bb
15518d6aab3
hex30c066bcd

13086649293 has 4 divisors (see below), whose sum is σ = 17448865728. Its totient is φ = 8724432860.

The previous prime is 13086649237. The next prime is 13086649307. The reversal of 13086649293 is 39294668031.

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: 39294668031 = 313098222677.

It is a cyclic number.

It is not a de Polignac number, because 13086649293 - 26 = 13086649229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086649193) 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, 2181108213 + ... + 2181108218.

It is an arithmetic number, because the mean of its divisors is an integer number (4362216432).

Almost surely, 213086649293 is an apocalyptic number.

It is an amenable number.

13086649293 is a deficient number, since it is larger than the sum of its proper divisors (4362216435).

13086649293 is an equidigital number, since it uses as much as digits as its factorization.

13086649293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362216434.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 13086649293 in words is "thirteen billion, eighty-six million, six hundred forty-nine thousand, two hundred ninety-three".

Divisors: 1 3 4362216431 13086649293