Base | Representation |
---|---|
bin | 101111010100011100… |
… | …011000111011100101 |
3 | 11212010221211010020122 |
4 | 233110130120323211 |
5 | 1313024031232242 |
6 | 35201414011325 |
7 | 3446043055265 |
oct | 572434307345 |
9 | 155127733218 |
10 | 50808852197 |
11 | 1a6032aa744 |
12 | 9a1b946b45 |
13 | 4a39501bac |
14 | 265dd217a5 |
15 | 14c58b9ad2 |
hex | bd4718ee5 |
50808852197 has 2 divisors, whose sum is σ = 50808852198. Its totient is φ = 50808852196.
The previous prime is 50808852179. The next prime is 50808852239. The reversal of 50808852197 is 79125880805.
Together with previous prime (50808852179) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 50126284321 + 682567876 = 223889^2 + 26126^2 .
It is a cyclic number.
It is not a de Polignac number, because 50808852197 - 210 = 50808851173 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50808852097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25404426098 + 25404426099.
It is an arithmetic number, because the mean of its divisors is an integer number (25404426099).
Almost surely, 250808852197 is an apocalyptic number.
It is an amenable number.
50808852197 is a deficient number, since it is larger than the sum of its proper divisors (1).
50808852197 is an equidigital number, since it uses as much as digits as its factorization.
50808852197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1612800, while the sum is 53.
The spelling of 50808852197 in words is "fifty billion, eight hundred eight million, eight hundred fifty-two thousand, one hundred ninety-seven".
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