Base | Representation |
---|---|
bin | 101110110101010111… |
… | …111011101101001001 |
3 | 11210210121222021020101 |
4 | 232311113323231021 |
5 | 1310442110341332 |
6 | 35033553325401 |
7 | 3430113315124 |
oct | 566527735511 |
9 | 153717867211 |
10 | 50287590217 |
11 | 1a366040917 |
12 | 98b5266861 |
13 | 4985514157 |
14 | 26109d33bb |
15 | 1494c51ae7 |
hex | bb55fbb49 |
50287590217 has 2 divisors, whose sum is σ = 50287590218. Its totient is φ = 50287590216.
The previous prime is 50287590211. The next prime is 50287590229. The reversal of 50287590217 is 71209578205.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36902025801 + 13385564416 = 192099^2 + 115696^2 .
It is a cyclic number.
It is not a de Polignac number, because 50287590217 - 215 = 50287557449 is a prime.
It is not a weakly prime, because it can be changed into another prime (50287590211) 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, 25143795108 + 25143795109.
It is an arithmetic number, because the mean of its divisors is an integer number (25143795109).
Almost surely, 250287590217 is an apocalyptic number.
It is an amenable number.
50287590217 is a deficient number, since it is larger than the sum of its proper divisors (1).
50287590217 is an equidigital number, since it uses as much as digits as its factorization.
50287590217 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 352800, while the sum is 46.
The spelling of 50287590217 in words is "fifty billion, two hundred eighty-seven million, five hundred ninety thousand, two hundred seventeen".
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