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13221210313 = 231733322747
BaseRepresentation
bin11000101000000101…
…11010100011001001
31021010102001001222001
430110002322203021
5204034112212223
610023532231001
7645430301443
oct142402724311
937112031861
1013221210313
115675034aa3
12268b90b461
13132917428c
148d5cad493
15525a9a9ad
hex3140ba8c9

13221210313 has 8 divisors (see below), whose sum is σ = 13875795648. Its totient is φ = 12573270864.

The previous prime is 13221210281. The next prime is 13221210323. The reversal of 13221210313 is 31301212231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13221210313 - 25 = 13221210281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221210323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657395 + ... + 1665352.

It is an arithmetic number, because the mean of its divisors is an integer number (1734474456).

Almost surely, 213221210313 is an apocalyptic number.

It is an amenable number.

13221210313 is a deficient number, since it is larger than the sum of its proper divisors (654585335).

13221210313 is a wasteful number, since it uses less digits than its factorization.

13221210313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322943.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13221210313 its reverse (31301212231), we get a palindrome (44522422544).

The spelling of 13221210313 in words is "thirteen billion, two hundred twenty-one million, two hundred ten thousand, three hundred thirteen".

Divisors: 1 23 173 3979 3322747 76423181 574835231 13221210313