Base | Representation |
---|---|
bin | 11101000010111010110… |
… | …11110111111101110111 |
3 | 10112102000100001221110211 |
4 | 32201131123313331313 |
5 | 112322401000012022 |
6 | 2042250323330251 |
7 | 132050241016561 |
oct | 16413533677567 |
9 | 3472010057424 |
10 | 998000000887 |
11 | 355281a89a6a |
12 | 141504220987 |
13 | 73159b21a06 |
14 | 3643698c331 |
15 | 1ae60da3e77 |
hex | e85d6f7f77 |
998000000887 has 2 divisors, whose sum is σ = 998000000888. Its totient is φ = 998000000886.
The previous prime is 998000000807. The next prime is 998000000909. The reversal of 998000000887 is 788000000899.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 998000000887 - 211 = 997999998839 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 998000000887.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (998000000807) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499000000443 + 499000000444.
It is an arithmetic number, because the mean of its divisors is an integer number (499000000444).
Almost surely, 2998000000887 is an apocalyptic number.
998000000887 is a deficient number, since it is larger than the sum of its proper divisors (1).
998000000887 is an equidigital number, since it uses as much as digits as its factorization.
998000000887 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 290304, while the sum is 49.
The spelling of 998000000887 in words is "nine hundred ninety-eight billion, eight hundred eighty-seven", and thus it is an aban number.
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