Base | Representation |
---|---|
bin | 11001110111111001000… |
… | …11110110001101010001 |
3 | 10010222122222022112012221 |
4 | 30323330203312031101 |
5 | 104031133113042411 |
6 | 1520222354221041 |
7 | 121141155504205 |
oct | 14737443661521 |
9 | 3128588275187 |
10 | 889000518481 |
11 | 3130286865a9 |
12 | 124364584781 |
13 | 65aa89b376a |
14 | 3105660cb05 |
15 | 181d1a41071 |
hex | cefc8f6351 |
889000518481 has 2 divisors, whose sum is σ = 889000518482. Its totient is φ = 889000518480.
The previous prime is 889000518403. The next prime is 889000518491. The reversal of 889000518481 is 184815000988.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 728648324881 + 160352193600 = 853609^2 + 400440^2 .
It is a cyclic number.
It is not a de Polignac number, because 889000518481 - 29 = 889000517969 is a prime.
It is a super-2 number, since 2×8890005184812 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (889000518491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444500259240 + 444500259241.
It is an arithmetic number, because the mean of its divisors is an integer number (444500259241).
Almost surely, 2889000518481 is an apocalyptic number.
It is an amenable number.
889000518481 is a deficient number, since it is larger than the sum of its proper divisors (1).
889000518481 is an equidigital number, since it uses as much as digits as its factorization.
889000518481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 737280, while the sum is 52.
The spelling of 889000518481 in words is "eight hundred eighty-nine billion, five hundred eighteen thousand, four hundred eighty-one".
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