Base | Representation |
---|---|
bin | 11000100111001000… |
… | …00110000100001110 |
3 | 1021002211211121021001 |
4 | 30103210012010032 |
5 | 204030030143042 |
6 | 10023043130514 |
7 | 645301521610 |
oct | 142344060416 |
9 | 37084747231 |
10 | 13213131022 |
11 | 56705169a3 |
12 | 2689073a3a |
13 | 13275a5a30 |
14 | 8d4ba8db0 |
15 | 525001bb7 |
hex | 31390610e |
13213131022 has 32 divisors (see below), whose sum is σ = 24400438272. Its totient is φ = 5225680224.
The previous prime is 13213130989. The next prime is 13213131059. The reversal of 13213131022 is 22013131231.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804133 + ... + 820399.
It is an arithmetic number, because the mean of its divisors is an integer number (762513696).
Almost surely, 213213131022 is an apocalyptic number.
13213131022 is a deficient number, since it is larger than the sum of its proper divisors (11187307250).
13213131022 is a wasteful number, since it uses less digits than its factorization.
13213131022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20752.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 13213131022 its reverse (22013131231), we get a palindrome (35226262253).
The spelling of 13213131022 in words is "thirteen billion, two hundred thirteen million, one hundred thirty-one thousand, twenty-two".
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