Base | Representation |
---|---|
bin | 10010111001111111… |
… | …100010111011110111 |
3 | 1221101202121201021221 |
4 | 102321333202323313 |
5 | 313033334443221 |
6 | 13154214051211 |
7 | 1316026543666 |
oct | 227177427367 |
9 | 57352551257 |
10 | 20300312311 |
11 | 8677aa7114 |
12 | 3b26649b07 |
13 | 1bb6984926 |
14 | da813addd |
15 | 7dc2dc541 |
hex | 4b9fe2ef7 |
20300312311 has 2 divisors, whose sum is σ = 20300312312. Its totient is φ = 20300312310.
The previous prime is 20300312299. The next prime is 20300312317. The reversal of 20300312311 is 11321300302.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20300312311 - 211 = 20300310263 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20300312317) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150156155 + 10150156156.
It is an arithmetic number, because the mean of its divisors is an integer number (10150156156).
Almost surely, 220300312311 is an apocalyptic number.
20300312311 is a deficient number, since it is larger than the sum of its proper divisors (1).
20300312311 is an equidigital number, since it uses as much as digits as its factorization.
20300312311 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20300312311 its reverse (11321300302), we get a palindrome (31621612613).
The spelling of 20300312311 in words is "twenty billion, three hundred million, three hundred twelve thousand, three hundred eleven".
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