Base | Representation |
---|---|
bin | 111000110110111011… |
… | …1000000100110000011 |
3 | 102200011111212111211102 |
4 | 1301231313000212003 |
5 | 4000031132034222 |
6 | 132032030205015 |
7 | 11551543520102 |
oct | 1615567004603 |
9 | 380144774742 |
10 | 122102221187 |
11 | 47868580001 |
12 | 1b7b795376b |
13 | b68b8a222b |
14 | 5ca4610039 |
15 | 329980ad92 |
hex | 1c6ddc0983 |
122102221187 has 2 divisors, whose sum is σ = 122102221188. Its totient is φ = 122102221186.
The previous prime is 122102221133. The next prime is 122102221229. The reversal of 122102221187 is 781122201221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 122102221187 - 26 = 122102221123 is a prime.
It is not a weakly prime, because it can be changed into another prime (122102221487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051110593 + 61051110594.
It is an arithmetic number, because the mean of its divisors is an integer number (61051110594).
Almost surely, 2122102221187 is an apocalyptic number.
122102221187 is a deficient number, since it is larger than the sum of its proper divisors (1).
122102221187 is an equidigital number, since it uses as much as digits as its factorization.
122102221187 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1792, while the sum is 29.
The spelling of 122102221187 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred eighty-seven".
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