Base | Representation |
---|---|
bin | 110111111011010010… |
… | …1110000011101111011 |
3 | 102111000001121121111012 |
4 | 1233312211300131323 |
5 | 3431431402204404 |
6 | 131101305424135 |
7 | 11451135304142 |
oct | 1576645603573 |
9 | 374001547435 |
10 | 120101209979 |
11 | 46a31002733 |
12 | 1b33979b04b |
13 | b43016282a |
14 | 5b54970759 |
15 | 31cdce8a6e |
hex | 1bf697077b |
120101209979 has 2 divisors, whose sum is σ = 120101209980. Its totient is φ = 120101209978.
The previous prime is 120101209973. The next prime is 120101210017. The reversal of 120101209979 is 979902101021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 120101209979 - 212 = 120101205883 is a prime.
It is not a weakly prime, because it can be changed into another prime (120101209973) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050604989 + 60050604990.
It is an arithmetic number, because the mean of its divisors is an integer number (60050604990).
Almost surely, 2120101209979 is an apocalyptic number.
120101209979 is a deficient number, since it is larger than the sum of its proper divisors (1).
120101209979 is an equidigital number, since it uses as much as digits as its factorization.
120101209979 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 20412, while the sum is 41.
The spelling of 120101209979 in words is "one hundred twenty billion, one hundred one million, two hundred nine thousand, nine hundred seventy-nine".
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