Base | Representation |
---|---|
bin | 111001111111011000011100… |
… | …110000100001111110000001 |
3 | 1020110000222201221022101010201 |
4 | 321333120130300201332001 |
5 | 231412121040444031134 |
6 | 2302233411343325201 |
7 | 104502223534335331 |
oct | 7177303460417601 |
9 | 1213028657271121 |
10 | 255044230455169 |
11 | 742a0718114581 |
12 | 247313448b0801 |
13 | ac4074c40857c |
14 | 46da2c6d650c1 |
15 | 1e74444500914 |
hex | e7f61cc21f81 |
255044230455169 has 2 divisors, whose sum is σ = 255044230455170. Its totient is φ = 255044230455168.
The previous prime is 255044230455139. The next prime is 255044230455241. The reversal of 255044230455169 is 961554032440552.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 197787995218944 + 57256235236225 = 14063712^2 + 7566785^2 .
It is a cyclic number.
It is not a de Polignac number, because 255044230455169 - 213 = 255044230446977 is a prime.
It is a super-2 number, since 2×2550442304551692 (a number of 30 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (255044230455139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127522115227584 + 127522115227585.
It is an arithmetic number, because the mean of its divisors is an integer number (127522115227585).
Almost surely, 2255044230455169 is an apocalyptic number.
It is an amenable number.
255044230455169 is a deficient number, since it is larger than the sum of its proper divisors (1).
255044230455169 is an equidigital number, since it uses as much as digits as its factorization.
255044230455169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25920000, while the sum is 55.
The spelling of 255044230455169 in words is "two hundred fifty-five trillion, forty-four billion, two hundred thirty million, four hundred fifty-five thousand, one hundred sixty-nine".
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