Base | Representation |
---|---|
bin | 11000100111111111… |
… | …00011101011011010 |
3 | 1021010100101100200100 |
4 | 30103333203223122 |
5 | 204033401031302 |
6 | 10023501320230 |
7 | 645416644512 |
oct | 142377435332 |
9 | 37110340610 |
10 | 13220330202 |
11 | 5674593832 |
12 | 268b566076 |
13 | 1328c267c1 |
14 | 8d5b20842 |
15 | 525974d1c |
hex | 313fe3ada |
13220330202 has 12 divisors (see below), whose sum is σ = 28644048810. Its totient is φ = 4406776728.
The previous prime is 13220330183. The next prime is 13220330237. The reversal of 13220330202 is 20203302231.
It is a happy number.
13220330202 is a `hidden beast` number, since 132 + 2 + 0 + 330 + 202 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12123991881 + 1096338321 = 110109^2 + 33111^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 734462789 = 13220330202 / (1 + 3 + 2 + 2 + 0 + 3 + 3 + 0 + 2 + 0 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367231377 + ... + 367231412.
Almost surely, 213220330202 is an apocalyptic number.
13220330202 is an abundant number, since it is smaller than the sum of its proper divisors (15423718608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13220330202 is a wasteful number, since it uses less digits than its factorization.
13220330202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 734462797 (or 734462794 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 13220330202 its reverse (20203302231), we get a palindrome (33423632433).
The spelling of 13220330202 in words is "thirteen billion, two hundred twenty million, three hundred thirty thousand, two hundred two".
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