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13220113133 = 891279291259
BaseRepresentation
bin11000100111111101…
…01110101011101101
31021010022222022220202
430103332232223231
5204033322110013
610023452523245
7645415051613
oct142376565355
937108868822
1013220113133
115674455737
12268b480525
131328b7ba66
148d5aa56b3
15525930858
hex313faeaed

13220113133 has 16 divisors (see below), whose sum is σ = 13499136000. Its totient is φ = 12944397312.

The previous prime is 13220113117. The next prime is 13220113157. The reversal of 13220113133 is 33131102231.

It is a cyclic number.

It is not a de Polignac number, because 13220113133 - 24 = 13220113117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220113163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10499858 + ... + 10501116.

It is an arithmetic number, because the mean of its divisors is an integer number (843696000).

Almost surely, 213220113133 is an apocalyptic number.

It is an amenable number.

13220113133 is a deficient number, since it is larger than the sum of its proper divisors (279022867).

13220113133 is a wasteful number, since it uses less digits than its factorization.

13220113133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13220113133 its reverse (33131102231), we get a palindrome (46351215364).

The spelling of 13220113133 in words is "thirteen billion, two hundred twenty million, one hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 89 127 929 1259 11303 82681 112051 117983 159893 1169611 10500487 14230477 104095379 148540597 13220113133