Base | Representation |
---|---|
bin | 10010101000000110… |
… | …000011111001100111 |
3 | 1220121211120210211101 |
4 | 102220012003321213 |
5 | 311430001432221 |
6 | 13104330020531 |
7 | 1305422311162 |
oct | 225006037147 |
9 | 56554523741 |
10 | 20000030311 |
11 | 853354a878 |
12 | 3a61b77747 |
13 | 1b696b8681 |
14 | d7a2d2ad9 |
15 | 7c0c74d91 |
hex | 4a8183e67 |
20000030311 has 2 divisors, whose sum is σ = 20000030312. Its totient is φ = 20000030310.
The previous prime is 20000030299. The next prime is 20000030329. The reversal of 20000030311 is 11303000002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20000030311 - 217 = 19999899239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20000090311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000015155 + 10000015156.
It is an arithmetic number, because the mean of its divisors is an integer number (10000015156).
Almost surely, 220000030311 is an apocalyptic number.
20000030311 is a deficient number, since it is larger than the sum of its proper divisors (1).
20000030311 is an equidigital number, since it uses as much as digits as its factorization.
20000030311 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 10.
Adding to 20000030311 its reverse (11303000002), we get a palindrome (31303030313).
The spelling of 20000030311 in words is "twenty billion, thirty thousand, three hundred eleven".
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