Base | Representation |
---|---|
bin | 111001000101000010… |
… | …0011110001000111001 |
3 | 102201101111110011221021 |
4 | 1302022010132020321 |
5 | 4002013312341441 |
6 | 132151014342441 |
7 | 11566351443046 |
oct | 1621204361071 |
9 | 381344404837 |
10 | 122575512121 |
11 | 47a90754537 |
12 | 1b90a35aa21 |
13 | b73596523a |
14 | 5d0b4121cd |
15 | 32c614a3d1 |
hex | 1c8a11e239 |
122575512121 has 2 divisors, whose sum is σ = 122575512122. Its totient is φ = 122575512120.
The previous prime is 122575512077. The next prime is 122575512133. The reversal of 122575512121 is 121215575221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 109470986496 + 13104525625 = 330864^2 + 114475^2 .
It is a cyclic number.
It is not a de Polignac number, because 122575512121 - 211 = 122575510073 is a prime.
It is not a weakly prime, because it can be changed into another prime (122575512161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61287756060 + 61287756061.
It is an arithmetic number, because the mean of its divisors is an integer number (61287756061).
Almost surely, 2122575512121 is an apocalyptic number.
It is an amenable number.
122575512121 is a deficient number, since it is larger than the sum of its proper divisors (1).
122575512121 is an equidigital number, since it uses as much as digits as its factorization.
122575512121 is an evil number, because the sum of its binary digits is even.
The product of its digits is 14000, while the sum is 34.
The spelling of 122575512121 in words is "one hundred twenty-two billion, five hundred seventy-five million, five hundred twelve thousand, one hundred twenty-one".
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