Base | Representation |
---|---|
bin | 11000101000001100… |
… | …10110101101111101 |
3 | 1021010110201220000111 |
4 | 30110012112231331 |
5 | 204034330042000 |
6 | 10024003430021 |
7 | 645441045565 |
oct | 142406265575 |
9 | 37113656014 |
10 | 13222112125 |
11 | 56755a05a2 |
12 | 2690085311 |
13 | 13293cb8b1 |
14 | 8d6065da5 |
15 | 525bc7cba |
hex | 314196b7d |
13222112125 has 8 divisors (see below), whose sum is σ = 16501196088. Its totient is φ = 10577689600.
The previous prime is 13222112093. The next prime is 13222112131. The reversal of 13222112125 is 52121122231.
It can be written as a sum of positive squares in 4 ways, for example, as 145274809 + 13076837316 = 12053^2 + 114354^2 .
It is not a de Polignac number, because 13222112125 - 25 = 13222112093 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13222112096 and 13222112105.
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, 52888324 + ... + 52888573.
It is an arithmetic number, because the mean of its divisors is an integer number (2062649511).
Almost surely, 213222112125 is an apocalyptic number.
It is an amenable number.
13222112125 is a deficient number, since it is larger than the sum of its proper divisors (3279083963).
13222112125 is an equidigital number, since it uses as much as digits as its factorization.
13222112125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105776912 (or 105776902 counting only the distinct ones).
The product of its digits is 480, while the sum is 22.
Adding to 13222112125 its reverse (52121122231), we get a palindrome (65343234356).
The spelling of 13222112125 in words is "thirteen billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-five".
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