Base | Representation |
---|---|
bin | 1010011101100010… |
… | …1010011001100101 |
3 | 21020201020101202221 |
4 | 2213120222121211 |
5 | 21222403311242 |
6 | 1142354432341 |
7 | 126406550341 |
oct | 24730523145 |
9 | 7221211687 |
10 | 2808260197 |
11 | 121120a4a6 |
12 | 6645926b1 |
13 | 359a5cc32 |
14 | 1c8d74621 |
15 | 11681c167 |
hex | a762a665 |
2808260197 has 2 divisors, whose sum is σ = 2808260198. Its totient is φ = 2808260196.
The previous prime is 2808260183. The next prime is 2808260207. The reversal of 2808260197 is 7910628082.
2808260197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1845647521 + 962612676 = 42961^2 + 31026^2 .
It is a cyclic number.
It is not a de Polignac number, because 2808260197 - 231 = 660776549 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2808260167) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404130098 + 1404130099.
It is an arithmetic number, because the mean of its divisors is an integer number (1404130099).
Almost surely, 22808260197 is an apocalyptic number.
It is an amenable number.
2808260197 is a deficient number, since it is larger than the sum of its proper divisors (1).
2808260197 is an equidigital number, since it uses as much as digits as its factorization.
2808260197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 2808260197 is about 52993.0202668238. The cubic root of 2808260197 is about 1410.8443875139.
The spelling of 2808260197 in words is "two billion, eight hundred eight million, two hundred sixty thousand, one hundred ninety-seven".
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