Base | Representation |
---|---|
bin | 111100111010111… |
… | …1000101011000001 |
3 | 12021110110112120011 |
4 | 1321311320223001 |
5 | 13141301401042 |
6 | 534501344521 |
7 | 101441102041 |
oct | 17165705301 |
9 | 5243415504 |
10 | 2044168897 |
11 | 959975391 |
12 | 490708141 |
13 | 2676705c4 |
14 | 1556b5721 |
15 | be6d9a17 |
hex | 79d78ac1 |
2044168897 has 2 divisors, whose sum is σ = 2044168898. Its totient is φ = 2044168896.
The previous prime is 2044168891. The next prime is 2044168909. The reversal of 2044168897 is 7988614402.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1964173761 + 79995136 = 44319^2 + 8944^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2044168897 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2044168897.
It is not a weakly prime, because it can be changed into another prime (2044168891) 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, 1022084448 + 1022084449.
It is an arithmetic number, because the mean of its divisors is an integer number (1022084449).
Almost surely, 22044168897 is an apocalyptic number.
It is an amenable number.
2044168897 is a deficient number, since it is larger than the sum of its proper divisors (1).
2044168897 is an equidigital number, since it uses as much as digits as its factorization.
2044168897 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 774144, while the sum is 49.
The square root of 2044168897 is about 45212.4860740924. The cubic root of 2044168897 is about 1269.1284857142.
The spelling of 2044168897 in words is "two billion, forty-four million, one hundred sixty-eight thousand, eight hundred ninety-seven".
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