Base | Representation |
---|---|
bin | 111110101111110… |
… | …0011000100010001 |
3 | 12102201201112011012 |
4 | 1331133203010101 |
5 | 13302442001342 |
6 | 544530300305 |
7 | 103113535562 |
oct | 17537430421 |
9 | 5381645135 |
10 | 2105422097 |
11 | 990501869 |
12 | 4a9127695 |
13 | 277268abc |
14 | 15d89c169 |
15 | c4c88b82 |
hex | 7d7e3111 |
2105422097 has 2 divisors, whose sum is σ = 2105422098. Its totient is φ = 2105422096.
The previous prime is 2105422061. The next prime is 2105422117. The reversal of 2105422097 is 7902245012.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2090684176 + 14737921 = 45724^2 + 3839^2 .
It is a cyclic number.
It is not a de Polignac number, because 2105422097 - 212 = 2105418001 is a prime.
It is not a weakly prime, because it can be changed into another prime (2105422027) 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, 1052711048 + 1052711049.
It is an arithmetic number, because the mean of its divisors is an integer number (1052711049).
Almost surely, 22105422097 is an apocalyptic number.
It is an amenable number.
2105422097 is a deficient number, since it is larger than the sum of its proper divisors (1).
2105422097 is an equidigital number, since it uses as much as digits as its factorization.
2105422097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 2105422097 is about 45884.8787401689. The cubic root of 2105422097 is about 1281.6803486614.
The spelling of 2105422097 in words is "two billion, one hundred five million, four hundred twenty-two thousand, ninety-seven".
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