Base | Representation |
---|---|
bin | 1110110110001100100… |
… | …0100111100110000101 |
3 | 220101101000012020202202 |
4 | 3231203020213212011 |
5 | 13134333431233211 |
6 | 313101551244245 |
7 | 24266531362265 |
oct | 3554310474605 |
9 | 811330166682 |
10 | 255066274181 |
11 | 9919a298004 |
12 | 41525219685 |
13 | 1b08b883474 |
14 | c4b96057a5 |
15 | 697c9b253b |
hex | 3b63227985 |
255066274181 has 2 divisors, whose sum is σ = 255066274182. Its totient is φ = 255066274180.
The previous prime is 255066274103. The next prime is 255066274189. The reversal of 255066274181 is 181472660552.
255066274181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 201767164225 + 53299109956 = 449185^2 + 230866^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-255066274181 is a prime.
It is a super-2 number, since 2×2550662741812 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (255066274189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127533137090 + 127533137091.
It is an arithmetic number, because the mean of its divisors is an integer number (127533137091).
Almost surely, 2255066274181 is an apocalyptic number.
It is an amenable number.
255066274181 is a deficient number, since it is larger than the sum of its proper divisors (1).
255066274181 is an equidigital number, since it uses as much as digits as its factorization.
255066274181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 806400, while the sum is 47.
The spelling of 255066274181 in words is "two hundred fifty-five billion, sixty-six million, two hundred seventy-four thousand, one hundred eighty-one".
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