Base | Representation |
---|---|
bin | 1110110101111101111… |
… | …0111110111011011001 |
3 | 220101012201221121212210 |
4 | 3231133132332323121 |
5 | 13134222241344212 |
6 | 313051522425333 |
7 | 24265155655203 |
oct | 3553736767331 |
9 | 811181847783 |
10 | 255005028057 |
11 | 9916876597a |
12 | 41508802249 |
13 | 1b07bc8b260 |
14 | c4b1421773 |
15 | 697741553c |
hex | 3b5f7beed9 |
255005028057 has 16 divisors (see below), whose sum is σ = 377972715008. Its totient is φ = 151864035840.
The previous prime is 255005028053. The next prime is 255005028077. The reversal of 255005028057 is 750820500552.
It is not a de Polignac number, because 255005028057 - 22 = 255005028053 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (255005028053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105459928 + ... + 105462345.
It is an arithmetic number, because the mean of its divisors is an integer number (23623294688).
Almost surely, 2255005028057 is an apocalyptic number.
It is an amenable number.
255005028057 is a deficient number, since it is larger than the sum of its proper divisors (122967686951).
255005028057 is a wasteful number, since it uses less digits than its factorization.
255005028057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210922320.
The product of its (nonzero) digits is 140000, while the sum is 39.
The spelling of 255005028057 in words is "two hundred fifty-five billion, five million, twenty-eight thousand, fifty-seven".
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