Base | Representation |
---|---|
bin | 1111010010010110… |
… | …01111110010110001 |
3 | 210011221221010222102 |
4 | 13221023033302301 |
5 | 113301443210042 |
6 | 3434212350145 |
7 | 410243256545 |
oct | 75113176261 |
9 | 23157833872 |
10 | 8207006897 |
11 | 3531706831 |
12 | 1710615355 |
13 | a0a3b17cb |
14 | 57bd91a25 |
15 | 33078ab32 |
hex | 1e92cfcb1 |
8207006897 has 2 divisors, whose sum is σ = 8207006898. Its totient is φ = 8207006896.
The previous prime is 8207006881. The next prime is 8207006909. The reversal of 8207006897 is 7986007028.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4828026256 + 3378980641 = 69484^2 + 58129^2 .
It is a cyclic number.
It is not a de Polignac number, because 8207006897 - 24 = 8207006881 is a prime.
It is not a weakly prime, because it can be changed into another prime (8207006497) 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, 4103503448 + 4103503449.
It is an arithmetic number, because the mean of its divisors is an integer number (4103503449).
Almost surely, 28207006897 is an apocalyptic number.
It is an amenable number.
8207006897 is a deficient number, since it is larger than the sum of its proper divisors (1).
8207006897 is an equidigital number, since it uses as much as digits as its factorization.
8207006897 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 338688, while the sum is 47.
The square root of 8207006897 is about 90592.5322363825. The cubic root of 8207006897 is about 2017.1038863180.
The spelling of 8207006897 in words is "eight billion, two hundred seven million, six thousand, eight hundred ninety-seven".
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