Base | Representation |
---|---|
bin | 11000101000010011… |
… | …11100000000101001 |
3 | 1021010112111121022221 |
4 | 30110021330000221 |
5 | 204040100120210 |
6 | 10024035514041 |
7 | 645452036662 |
oct | 142411740051 |
9 | 37115447287 |
10 | 13223051305 |
11 | 5676082182 |
12 | 2690458921 |
13 | 132966a219 |
14 | 8d622c369 |
15 | 525d111da |
hex | 31427c029 |
13223051305 has 32 divisors (see below), whose sum is σ = 16443907200. Its totient is φ = 10199895552.
The previous prime is 13223051263. The next prime is 13223051341. The reversal of 13223051305 is 50315032231.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13223051305 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13223051305.
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 31 ways as a sum of consecutive naturals, for example, 13874709 + ... + 13875661.
It is an arithmetic number, because the mean of its divisors is an integer number (513872100).
Almost surely, 213223051305 is an apocalyptic number.
It is an amenable number.
13223051305 is a deficient number, since it is larger than the sum of its proper divisors (3220855895).
13223051305 is a wasteful number, since it uses less digits than its factorization.
13223051305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1593.
The product of its (nonzero) digits is 2700, while the sum is 25.
Adding to 13223051305 its reverse (50315032231), we get a palindrome (63538083536).
The spelling of 13223051305 in words is "thirteen billion, two hundred twenty-three million, fifty-one thousand, three hundred five".
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