Base | Representation |
---|---|
bin | 10011101010100111… |
… | …101100100110001011 |
3 | 2000111121202020222211 |
4 | 103222213230212023 |
5 | 321221213102021 |
6 | 13411200125551 |
7 | 1345164156034 |
oct | 235247544613 |
9 | 60447666884 |
10 | 21116144011 |
11 | 8a56570596 |
12 | 41139068b7 |
13 | 1cb69bb891 |
14 | 1044627a8b |
15 | 838c403e1 |
hex | 4ea9ec98b |
21116144011 has 2 divisors, whose sum is σ = 21116144012. Its totient is φ = 21116144010.
The previous prime is 21116143957. The next prime is 21116144029. The reversal of 21116144011 is 11044161112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 21116144011 - 27 = 21116143883 is a prime.
It is not a weakly prime, because it can be changed into another prime (21116144111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10558072005 + 10558072006.
It is an arithmetic number, because the mean of its divisors is an integer number (10558072006).
Almost surely, 221116144011 is an apocalyptic number.
21116144011 is a deficient number, since it is larger than the sum of its proper divisors (1).
21116144011 is an equidigital number, since it uses as much as digits as its factorization.
21116144011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 22.
The spelling of 21116144011 in words is "twenty-one billion, one hundred sixteen million, one hundred forty-four thousand, eleven".
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