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13313333113 = 62633212561
BaseRepresentation
bin11000110011000100…
…10101011101111001
31021100211101101200121
430121202111131321
5204231203124423
610041022533241
7650626315153
oct143142253571
937324341617
1013313333113
115712036243
1226b6737221
13134228a502
1490420dad3
1552dbe645d
hex319895779

13313333113 has 4 divisors (see below), whose sum is σ = 13313608308. Its totient is φ = 13313057920.

The previous prime is 13313333093. The next prime is 13313333123. The reversal of 13313333113 is 31133331331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31133331331 = 117126586961.

It can be written as a sum of positive squares in 2 ways, for example, as 8722999609 + 4590333504 = 93397^2 + 67752^2 .

It is a cyclic number.

It is not a de Polignac number, because 13313333113 - 29 = 13313332601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13313333123) 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, 43648 + ... + 168913.

It is an arithmetic number, because the mean of its divisors is an integer number (3328402077).

Almost surely, 213313333113 is an apocalyptic number.

It is an amenable number.

13313333113 is a deficient number, since it is larger than the sum of its proper divisors (275195).

13313333113 is an equidigital number, since it uses as much as digits as its factorization.

13313333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275194.

The product of its digits is 2187, while the sum is 25.

Adding to 13313333113 its reverse (31133331331), we get a palindrome (44446664444).

The spelling of 13313333113 in words is "thirteen billion, three hundred thirteen million, three hundred thirty-three thousand, one hundred thirteen".

Divisors: 1 62633 212561 13313333113