Base | Representation |
---|---|
bin | 10010111011100111… |
… | …001010100000101001 |
3 | 1221110122201201211101 |
4 | 102323213022200221 |
5 | 313112313201431 |
6 | 13201024201401 |
7 | 1316506455133 |
oct | 227347124051 |
9 | 57418651741 |
10 | 20327475241 |
11 | 869136a017 |
12 | 3b33769261 |
13 | 1bbc4a5478 |
14 | dab9ac053 |
15 | 7de8a5961 |
hex | 4bb9ca829 |
20327475241 has 2 divisors, whose sum is σ = 20327475242. Its totient is φ = 20327475240.
The previous prime is 20327475173. The next prime is 20327475271. The reversal of 20327475241 is 14257472302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15325449616 + 5002025625 = 123796^2 + 70725^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20327475241 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20327475241.
It is not a weakly prime, because it can be changed into another prime (20327475271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163737620 + 10163737621.
It is an arithmetic number, because the mean of its divisors is an integer number (10163737621).
Almost surely, 220327475241 is an apocalyptic number.
It is an amenable number.
20327475241 is a deficient number, since it is larger than the sum of its proper divisors (1).
20327475241 is an equidigital number, since it uses as much as digits as its factorization.
20327475241 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 94080, while the sum is 37.
The spelling of 20327475241 in words is "twenty billion, three hundred twenty-seven million, four hundred seventy-five thousand, two hundred forty-one".
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