Base | Representation |
---|---|
bin | 111111001111101… |
… | …0101001001000001 |
3 | 12110220011222220222 |
4 | 1332133111021001 |
5 | 13321232023043 |
6 | 550324512425 |
7 | 103405624466 |
oct | 17637251101 |
9 | 5426158828 |
10 | 2122142273 |
11 | 999991999 |
12 | 4b284b715 |
13 | 27a8713b4 |
14 | 161bb166d |
15 | c648cd68 |
hex | 7e7d5241 |
2122142273 has 2 divisors, whose sum is σ = 2122142274. Its totient is φ = 2122142272.
The previous prime is 2122142221. The next prime is 2122142279. The reversal of 2122142273 is 3722412212.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2120418304 + 1723969 = 46048^2 + 1313^2 .
It is a cyclic number.
It is not a de Polignac number, because 2122142273 - 218 = 2121880129 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (2122142279) 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, 1061071136 + 1061071137.
It is an arithmetic number, because the mean of its divisors is an integer number (1061071137).
Almost surely, 22122142273 is an apocalyptic number.
It is an amenable number.
2122142273 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122142273 is an equidigital number, since it uses as much as digits as its factorization.
2122142273 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2688, while the sum is 26.
The square root of 2122142273 is about 46066.7154570412. The cubic root of 2122142273 is about 1285.0642214316.
Adding to 2122142273 its reverse (3722412212), we get a palindrome (5844554485).
The spelling of 2122142273 in words is "two billion, one hundred twenty-two million, one hundred forty-two thousand, two hundred seventy-three".
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