Base | Representation |
---|---|
bin | 10010101111110110… |
… | …101010011010101011 |
3 | 1220221220112200211212 |
4 | 102233312222122223 |
5 | 312211313231444 |
6 | 13125300143335 |
7 | 1311562655156 |
oct | 225766523253 |
9 | 56856480755 |
10 | 20130211499 |
11 | 859aa85932 |
12 | 3a99697b4b |
13 | 1b8a668768 |
14 | d8d6dcc9d |
15 | 7cc3dc19e |
hex | 4afdaa6ab |
20130211499 has 2 divisors, whose sum is σ = 20130211500. Its totient is φ = 20130211498.
The previous prime is 20130211459. The next prime is 20130211537. The reversal of 20130211499 is 99411203102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20130211499 - 220 = 20129162923 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (20130211459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065105749 + 10065105750.
It is an arithmetic number, because the mean of its divisors is an integer number (10065105750).
Almost surely, 220130211499 is an apocalyptic number.
20130211499 is a deficient number, since it is larger than the sum of its proper divisors (1).
20130211499 is an equidigital number, since it uses as much as digits as its factorization.
20130211499 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 32.
The spelling of 20130211499 in words is "twenty billion, one hundred thirty million, two hundred eleven thousand, four hundred ninety-nine".
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