Base | Representation |
---|---|
bin | 111000110011111010… |
… | …1101110000111010001 |
3 | 102122220110211010022112 |
4 | 1301213311232013101 |
5 | 3444324303020144 |
6 | 132014021315105 |
7 | 11546206155122 |
oct | 1614765560721 |
9 | 378813733275 |
10 | 122001220049 |
11 | 47816565395 |
12 | 1b789b65a95 |
13 | b67399ab47 |
14 | 5c9503c049 |
15 | 3290a0999e |
hex | 1c67d6e1d1 |
122001220049 has 2 divisors, whose sum is σ = 122001220050. Its totient is φ = 122001220048.
The previous prime is 122001219961. The next prime is 122001220057. The reversal of 122001220049 is 940022100221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 92668492225 + 29332727824 = 304415^2 + 171268^2 .
It is a cyclic number.
It is not a de Polignac number, because 122001220049 - 28 = 122001219793 is a prime.
It is a super-3 number, since 3×1220012200493 (a number of 34 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (122001220349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000610024 + 61000610025.
It is an arithmetic number, because the mean of its divisors is an integer number (61000610025).
Almost surely, 2122001220049 is an apocalyptic number.
It is an amenable number.
122001220049 is a deficient number, since it is larger than the sum of its proper divisors (1).
122001220049 is an equidigital number, since it uses as much as digits as its factorization.
122001220049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 23.
The spelling of 122001220049 in words is "one hundred twenty-two billion, one million, two hundred twenty thousand, forty-nine".
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