Base | Representation |
---|---|
bin | 11001010111110100… |
… | …11110111110110001 |
3 | 1022011022112200122102 |
4 | 30223322132332301 |
5 | 210344120402200 |
6 | 10131355150145 |
7 | 661362100202 |
oct | 145372367661 |
9 | 38138480572 |
10 | 13621653425 |
11 | 5860082916 |
12 | 2781a45355 |
13 | 139110c473 |
14 | 93314b5a9 |
15 | 54acea6d5 |
hex | 32be9efb1 |
13621653425 has 24 divisors (see below), whose sum is σ = 17471715072. Its totient is φ = 10524024000.
The previous prime is 13621653407. The next prime is 13621653431. The reversal of 13621653425 is 52435612631.
It is not a de Polignac number, because 13621653425 - 26 = 13621653361 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362627 + ... + 398423.
It is an arithmetic number, because the mean of its divisors is an integer number (727988128).
Almost surely, 213621653425 is an apocalyptic number.
It is an amenable number.
13621653425 is a deficient number, since it is larger than the sum of its proper divisors (3850061647).
13621653425 is a wasteful number, since it uses less digits than its factorization.
13621653425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36329 (or 36324 counting only the distinct ones).
The product of its digits is 129600, while the sum is 38.
The spelling of 13621653425 in words is "thirteen billion, six hundred twenty-one million, six hundred fifty-three thousand, four hundred twenty-five".
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