Base | Representation |
---|---|
bin | 11100110101101110101… |
… | …11111111111111111111 |
3 | 10111201201211220211110001 |
4 | 32122313113333333333 |
5 | 112213400231000223 |
6 | 2035115533055131 |
7 | 131406616345366 |
oct | 16326727777777 |
9 | 3451654824401 |
10 | 990919000063 |
11 | 352278a40273 |
12 | 1400689274a7 |
13 | 7259bac7cb5 |
14 | 35d643887dd |
15 | 1ab993d99ad |
hex | e6b75fffff |
990919000063 has 2 divisors, whose sum is σ = 990919000064. Its totient is φ = 990919000062.
The previous prime is 990919000037. The next prime is 990919000079. The reversal of 990919000063 is 360000919099.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-990919000063 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 990918999977 and 990919000022.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (990919000003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495459500031 + 495459500032.
It is an arithmetic number, because the mean of its divisors is an integer number (495459500032).
Almost surely, 2990919000063 is an apocalyptic number.
990919000063 is a deficient number, since it is larger than the sum of its proper divisors (1).
990919000063 is an equidigital number, since it uses as much as digits as its factorization.
990919000063 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 118098, while the sum is 46.
The spelling of 990919000063 in words is "nine hundred ninety billion, nine hundred nineteen million, sixty-three", and thus it is an aban number.
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