Base | Representation |
---|---|
bin | 11010010001101110… |
… | …111110100001110001 |
3 | 2200211100011002200222 |
4 | 122101232332201301 |
5 | 430240443033313 |
6 | 20543421222425 |
7 | 2016121653242 |
oct | 322156764161 |
9 | 80740132628 |
10 | 28214814833 |
11 | 10a69588a97 |
12 | 5575101a15 |
13 | 287859130a |
14 | 151930acc9 |
15 | b0204a208 |
hex | 691bbe871 |
28214814833 has 2 divisors, whose sum is σ = 28214814834. Its totient is φ = 28214814832.
The previous prime is 28214814791. The next prime is 28214814839. The reversal of 28214814833 is 33841841282.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26558569024 + 1656245809 = 162968^2 + 40697^2 .
It is a cyclic number.
It is not a de Polignac number, because 28214814833 - 28 = 28214814577 is a prime.
It is not a weakly prime, because it can be changed into another prime (28214814839) 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, 14107407416 + 14107407417.
It is an arithmetic number, because the mean of its divisors is an integer number (14107407417).
Almost surely, 228214814833 is an apocalyptic number.
It is an amenable number.
28214814833 is a deficient number, since it is larger than the sum of its proper divisors (1).
28214814833 is an equidigital number, since it uses as much as digits as its factorization.
28214814833 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 294912, while the sum is 44.
The spelling of 28214814833 in words is "twenty-eight billion, two hundred fourteen million, eight hundred fourteen thousand, eight hundred thirty-three".
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