Base | Representation |
---|---|
bin | 11000100111001000… |
… | …10111011011010010 |
3 | 1021002211222012210200 |
4 | 30103210113123102 |
5 | 204030034432010 |
6 | 10023044440030 |
7 | 645302236122 |
oct | 142344273322 |
9 | 37084865720 |
10 | 13213202130 |
11 | 5670565367 |
12 | 26890a9016 |
13 | 13275cc1cb |
14 | 8d4bc6c82 |
15 | 525017cc0 |
hex | 3139176d2 |
13213202130 has 48 divisors (see below), whose sum is σ = 34369597080. Its totient is φ = 3521954304.
The previous prime is 13213202113. The next prime is 13213202159. The reversal of 13213202130 is 3120231231.
13213202130 is a `hidden beast` number, since 1 + 321 + 320 + 21 + 3 + 0 = 666.
13213202130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 10750164489 + 2463037641 = 103683^2 + 49629^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178506 + ... + 241434.
Almost surely, 213213202130 is an apocalyptic number.
13213202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13213202130 is an abundant number, since it is smaller than the sum of its proper divisors (21156394950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13213202130 is a wasteful number, since it uses less digits than its factorization.
13213202130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65275 (or 65272 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13213202130 its reverse (3120231231), we get a palindrome (16333433361).
The spelling of 13213202130 in words is "thirteen billion, two hundred thirteen million, two hundred two thousand, one hundred thirty".
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