Base | Representation |
---|---|
bin | 11100001010000010… |
… | …000111111011101101 |
3 | 2220000222220121110221 |
4 | 130022002013323231 |
5 | 443404133200023 |
6 | 21520000131341 |
7 | 2120130052504 |
oct | 341202077355 |
9 | 86028817427 |
10 | 30233100013 |
11 | 11904884576 |
12 | 5a39006b51 |
13 | 2b0a76b3bc |
14 | 166b3a583b |
15 | bbe32085d |
hex | 70a087eed |
30233100013 has 6 divisors (see below), whose sum is σ = 30465666062. Its totient is φ = 30002295960.
The previous prime is 30233099993. The next prime is 30233100019. The reversal of 30233100013 is 31000133203.
It can be written as a sum of positive squares in only one way, i.e., 28868388649 + 1364711364 = 169907^2 + 36942^2 .
It is a de Polignac number, because none of the positive numbers 2k-30233100013 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30233100013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30233100019) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 863706 + ... + 898027.
Almost surely, 230233100013 is an apocalyptic number.
It is an amenable number.
30233100013 is a deficient number, since it is larger than the sum of its proper divisors (232566049).
30233100013 is an equidigital number, since it uses as much as digits as its factorization.
30233100013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1761995 (or 1761864 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 30233100013 its reverse (31000133203), we get a palindrome (61233233216).
The spelling of 30233100013 in words is "thirty billion, two hundred thirty-three million, one hundred thousand, thirteen".
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