Base | Representation |
---|---|
bin | 1110111001101011001… |
… | …0011111111111111111 |
3 | 220110210002011102210110 |
4 | 3232122302133333333 |
5 | 13143241444444444 |
6 | 313334344241103 |
7 | 24331630045062 |
oct | 3563262377777 |
9 | 813702142713 |
10 | 255999999999 |
11 | 99629365037 |
12 | 41745a70193 |
13 | 1b1aa157953 |
14 | c5676208d9 |
15 | 69d4951cb9 |
hex | 3b9ac9ffff |
255999999999 has 8 divisors (see below), whose sum is σ = 349658536752. Its totient is φ = 166504064960.
The previous prime is 255999999989. The next prime is 256000000007. The reversal of 255999999999 is 999999999552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 255999999999 - 29 = 255999999487 is a prime.
255999999999 is a modest number, since divided by 999999 gives 255999 as remainder.
It is a plaindrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255999999919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040650284 + ... + 1040650529.
It is an arithmetic number, because the mean of its divisors is an integer number (43707317094).
Almost surely, 2255999999999 is an apocalyptic number.
255999999999 is a deficient number, since it is larger than the sum of its proper divisors (93658536753).
255999999999 is a wasteful number, since it uses less digits than its factorization.
255999999999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2081300857.
The product of its digits is 19371024450, while the sum is 93.
The spelling of 255999999999 in words is "two hundred fifty-five billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".
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