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13054331213 = 7111090915541
BaseRepresentation
bin11000010100001100…
…10100100101001101
31020200210000201212122
430022012110211031
5203213402044323
65555211342325
7641332661450
oct141206244515
936623021778
1013054331213
115599914290
122643a519a5
131300715651
148bba6d497
155160d4ec8
hex30a19494d

13054331213 has 16 divisors (see below), whose sum is σ = 16278069120. Its totient is φ = 10170619200.

The previous prime is 13054331207. The next prime is 13054331219. The reversal of 13054331213 is 31213345031.

It is an interprime number because it is at equal distance from previous prime (13054331207) and next prime (13054331219).

It is not a de Polignac number, because 13054331213 - 210 = 13054330189 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 (13054331219) 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, 832223 + ... + 847763.

It is an arithmetic number, because the mean of its divisors is an integer number (1017379320).

Almost surely, 213054331213 is an apocalyptic number.

It is an amenable number.

13054331213 is a deficient number, since it is larger than the sum of its proper divisors (3223737907).

13054331213 is a wasteful number, since it uses less digits than its factorization.

13054331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26468.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13054331213 its reverse (31213345031), we get a palindrome (44267676244).

The spelling of 13054331213 in words is "thirteen billion, fifty-four million, three hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 7 11 77 10909 15541 76363 108787 119999 170951 839993 1196657 169536769 1186757383 1864904459 13054331213