Base | Representation |
---|---|
bin | 101111010110011010… |
… | …001101010011100001 |
3 | 11212020020212210202121 |
4 | 233112122031103201 |
5 | 1313111002202341 |
6 | 35204552544241 |
7 | 3446623315246 |
oct | 572632152341 |
9 | 155206783677 |
10 | 50841834721 |
11 | 1a61a987a27 |
12 | 9a2a9b2081 |
13 | 4a432ac592 |
14 | 26644695cd |
15 | 14c87324d1 |
hex | bd668d4e1 |
50841834721 has 2 divisors, whose sum is σ = 50841834722. Its totient is φ = 50841834720.
The previous prime is 50841834629. The next prime is 50841834727. The reversal of 50841834721 is 12743814805.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45098468496 + 5743366225 = 212364^2 + 75785^2 .
It is a cyclic number.
It is not a de Polignac number, because 50841834721 - 215 = 50841801953 is a prime.
It is a super-2 number, since 2×508418347212 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (50841834727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25420917360 + 25420917361.
It is an arithmetic number, because the mean of its divisors is an integer number (25420917361).
Almost surely, 250841834721 is an apocalyptic number.
It is an amenable number.
50841834721 is a deficient number, since it is larger than the sum of its proper divisors (1).
50841834721 is an equidigital number, since it uses as much as digits as its factorization.
50841834721 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 215040, while the sum is 43.
The spelling of 50841834721 in words is "fifty billion, eight hundred forty-one million, eight hundred thirty-four thousand, seven hundred twenty-one".
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