Base | Representation |
---|---|
bin | 11000100111000111… |
… | …01011100000001110 |
3 | 1021002211122002000102 |
4 | 30103203223200032 |
5 | 204030013202342 |
6 | 10023040531102 |
7 | 645300556451 |
oct | 142343534016 |
9 | 37084562012 |
10 | 13213022222 |
11 | 5670452184 |
12 | 2689020a92 |
13 | 132756835a |
14 | 8d4b7b498 |
15 | 524ece832 |
hex | 3138eb80e |
13213022222 has 16 divisors (see below), whose sum is σ = 19892905344. Its totient is φ = 6582075000.
The previous prime is 13213022203. The next prime is 13213022231. The reversal of 13213022222 is 22222031231.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 13213022194 and 13213022203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1769597 + ... + 1777047.
It is an arithmetic number, because the mean of its divisors is an integer number (1243306584).
Almost surely, 213213022222 is an apocalyptic number.
13213022222 is a deficient number, since it is larger than the sum of its proper divisors (6679883122).
13213022222 is a wasteful number, since it uses less digits than its factorization.
13213022222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10615.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 13213022222 its reverse (22222031231), we get a palindrome (35435053453).
Subtracting 13213022222 from its reverse (22222031231), we obtain a palindrome (9009009009).
The spelling of 13213022222 in words is "thirteen billion, two hundred thirteen million, twenty-two thousand, two hundred twenty-two".
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