Base | Representation |
---|---|
bin | 10010111001111111… |
… | …111111101100110010 |
3 | 1221101202211200220121 |
4 | 102321333333230302 |
5 | 313033402231010 |
6 | 13154220400454 |
7 | 1316030544331 |
oct | 227177775462 |
9 | 57352750817 |
10 | 20300430130 |
11 | 8678077692 |
12 | 3b266a612a |
13 | 1bb69c6446 |
14 | da816bd18 |
15 | 7dc3123da |
hex | 4b9fffb32 |
20300430130 has 16 divisors (see below), whose sum is σ = 37003317120. Its totient is φ = 8017384752.
The previous prime is 20300430113. The next prime is 20300430179. The reversal of 20300430130 is 3103400302.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12847584 + ... + 12849163.
It is an arithmetic number, because the mean of its divisors is an integer number (2312707320).
Almost surely, 220300430130 is an apocalyptic number.
20300430130 is a deficient number, since it is larger than the sum of its proper divisors (16702886990).
20300430130 is a wasteful number, since it uses less digits than its factorization.
20300430130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25696833.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20300430130 its reverse (3103400302), we get a palindrome (23403830432).
The spelling of 20300430130 in words is "twenty billion, three hundred million, four hundred thirty thousand, one hundred thirty".
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