Base | Representation |
---|---|
bin | 111101100100010… |
… | …1111111101111001 |
3 | 12022222100010221122 |
4 | 1323020233331321 |
5 | 13212332004233 |
6 | 540555115025 |
7 | 102123533252 |
oct | 17310577571 |
9 | 5288303848 |
10 | 2065891193 |
11 | 9701616a3 |
12 | 497a42a75 |
13 | 26c007932 |
14 | 15852bb29 |
15 | c157ad98 |
hex | 7b22ff79 |
2065891193 has 2 divisors, whose sum is σ = 2065891194. Its totient is φ = 2065891192.
The previous prime is 2065891171. The next prime is 2065891213. The reversal of 2065891193 is 3911985602.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2065884304 + 6889 = 45452^2 + 83^2 .
It is a cyclic number.
It is not a de Polignac number, because 2065891193 - 214 = 2065874809 is a prime.
It is not a weakly prime, because it can be changed into another prime (2065890193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032945596 + 1032945597.
It is an arithmetic number, because the mean of its divisors is an integer number (1032945597).
Almost surely, 22065891193 is an apocalyptic number.
It is an amenable number.
2065891193 is a deficient number, since it is larger than the sum of its proper divisors (1).
2065891193 is an equidigital number, since it uses as much as digits as its factorization.
2065891193 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 116640, while the sum is 44.
The square root of 2065891193 is about 45452.0757831807. The cubic root of 2065891193 is about 1273.6081066806.
The spelling of 2065891193 in words is "two billion, sixty-five million, eight hundred ninety-one thousand, one hundred ninety-three".
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