Base | Representation |
---|---|
bin | 11000101000001100… |
… | …11011010110110010 |
3 | 1021010110202212002002 |
4 | 30110012123112302 |
5 | 204034331143442 |
6 | 10024004054002 |
7 | 645441155144 |
oct | 142406332662 |
9 | 37113685062 |
10 | 13222131122 |
11 | 56756038a2 |
12 | 2690094302 |
13 | 1329407435 |
14 | 8d606cc94 |
15 | 525bcd732 |
hex | 31419b5b2 |
13222131122 has 24 divisors (see below), whose sum is σ = 21084934716. Its totient is φ = 6217352064.
The previous prime is 13222131121. The next prime is 13222131137. The reversal of 13222131122 is 22113122231.
It can be written as a sum of positive squares in 2 ways, for example, as 12991668361 + 230462761 = 113981^2 + 15181^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13222131094 and 13222131103.
It is not an unprimeable number, because it can be changed into a prime (13222131121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32078 + ... + 165750.
Almost surely, 213222131122 is an apocalyptic number.
13222131122 is a deficient number, since it is larger than the sum of its proper divisors (7862803594).
13222131122 is a wasteful number, since it uses less digits than its factorization.
13222131122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133850 (or 133831 counting only the distinct ones).
The product of its digits is 288, while the sum is 20.
Adding to 13222131122 its reverse (22113122231), we get a palindrome (35335253353).
The spelling of 13222131122 in words is "thirteen billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-two".
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