Base | Representation |
---|---|
bin | 11000101000010101… |
… | …01101010110110001 |
3 | 1021010112212212120212 |
4 | 30110022231112301 |
5 | 204040123102200 |
6 | 10024044113505 |
7 | 645453541154 |
oct | 142412552661 |
9 | 37115785525 |
10 | 13223253425 |
11 | 5676200018 |
12 | 2690535895 |
13 | 132970b215 |
14 | 8d6281c9b |
15 | 525d51035 |
hex | 3142ad5b1 |
13223253425 has 12 divisors (see below), whose sum is σ = 16442519040. Its totient is φ = 10549128720.
The previous prime is 13223253419. The next prime is 13223253499. The reversal of 13223253425 is 52435232231.
It is not a de Polignac number, because 13223253425 - 210 = 13223252401 is a prime.
It is a super-3 number, since 3×132232534253 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13223253391 and 13223253400.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727697 + ... + 745646.
It is an arithmetic number, because the mean of its divisors is an integer number (1370209920).
Almost surely, 213223253425 is an apocalyptic number.
It is an amenable number.
13223253425 is a deficient number, since it is larger than the sum of its proper divisors (3219265615).
13223253425 is a wasteful number, since it uses less digits than its factorization.
13223253425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1473712 (or 1473707 counting only the distinct ones).
The product of its digits is 43200, while the sum is 32.
Adding to 13223253425 its reverse (52435232231), we get a palindrome (65658485656).
The spelling of 13223253425 in words is "thirteen billion, two hundred twenty-three million, two hundred fifty-three thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.146 sec. • engine limits •