Base | Representation |
---|---|
bin | 111111110101101… |
… | …1110001100010101 |
3 | 12112021202001220222 |
4 | 1333223132030111 |
5 | 13341334233133 |
6 | 552320404125 |
7 | 104040366122 |
oct | 17753361425 |
9 | 5467661828 |
10 | 2142102293 |
11 | 9aa185181 |
12 | 4b9476645 |
13 | 281a3c566 |
14 | 1646c9749 |
15 | c80d1e98 |
hex | 7fade315 |
2142102293 has 2 divisors, whose sum is σ = 2142102294. Its totient is φ = 2142102292.
The previous prime is 2142102283. The next prime is 2142102299. The reversal of 2142102293 is 3922012412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1925629924 + 216472369 = 43882^2 + 14713^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2142102293 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2142102299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071051146 + 1071051147.
It is an arithmetic number, because the mean of its divisors is an integer number (1071051147).
Almost surely, 22142102293 is an apocalyptic number.
It is an amenable number.
2142102293 is a deficient number, since it is larger than the sum of its proper divisors (1).
2142102293 is an equidigital number, since it uses as much as digits as its factorization.
2142102293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 2142102293 is about 46282.8509601559. The cubic root of 2142102293 is about 1289.0805885862.
The spelling of 2142102293 in words is "two billion, one hundred forty-two million, one hundred two thousand, two hundred ninety-three".
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