Base | Representation |
---|---|
bin | 11000100111001010… |
… | …01000100100100001 |
3 | 1021002212100102221001 |
4 | 30103211020210201 |
5 | 204030112402200 |
6 | 10023053032001 |
7 | 645304035025 |
oct | 142345104441 |
9 | 37085312831 |
10 | 13213403425 |
11 | 5670692622 |
12 | 2689185601 |
13 | 132766ca11 |
14 | 8d4c3a385 |
15 | 52505776a |
hex | 313948921 |
13213403425 has 24 divisors (see below), whose sum is σ = 17480925792. Its totient is φ = 9872928000.
The previous prime is 13213403417. The next prime is 13213403443. The reversal of 13213403425 is 52430431231.
It is a happy number.
It is not a de Polignac number, because 13213403425 - 23 = 13213403417 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13213403393 and 13213403402.
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 23 ways as a sum of consecutive naturals, for example, 62991 + ... + 174340.
It is an arithmetic number, because the mean of its divisors is an integer number (728371908).
Almost surely, 213213403425 is an apocalyptic number.
It is an amenable number.
13213403425 is a deficient number, since it is larger than the sum of its proper divisors (4267522367).
13213403425 is a wasteful number, since it uses less digits than its factorization.
13213403425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237489 (or 237484 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 28.
Adding to 13213403425 its reverse (52430431231), we get a palindrome (65643834656).
The spelling of 13213403425 in words is "thirteen billion, two hundred thirteen million, four hundred three thousand, four hundred twenty-five".
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