Base | Representation |
---|---|
bin | 101111010111111110… |
… | …001010101001001101 |
3 | 11212022002012002012121 |
4 | 233113332022221031 |
5 | 1313134204210341 |
6 | 35211330332541 |
7 | 3450362122300 |
oct | 572776125115 |
9 | 155262162177 |
10 | 50868038221 |
11 | 1a633755010 |
12 | 9a3772a151 |
13 | 4a48855500 |
14 | 2667b2ab37 |
15 | 14cabab4d1 |
hex | bd7f8aa4d |
50868038221 has 36 divisors (see below), whose sum is σ = 69900050304. Its totient is φ = 36588333600.
The previous prime is 50868038209. The next prime is 50868038227. The reversal of 50868038221 is 12283086805.
It is not a de Polignac number, because 50868038221 - 25 = 50868038189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50868038227) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 188125 + ... + 370306.
It is an arithmetic number, because the mean of its divisors is an integer number (1941668064).
Almost surely, 250868038221 is an apocalyptic number.
It is an amenable number.
50868038221 is a deficient number, since it is larger than the sum of its proper divisors (19032012083).
50868038221 is a wasteful number, since it uses less digits than its factorization.
50868038221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 558482 (or 558462 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 43.
The spelling of 50868038221 in words is "fifty billion, eight hundred sixty-eight million, thirty-eight thousand, two hundred twenty-one".
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