Base | Representation |
---|---|
bin | 1000011111111000… |
… | …0001001101100001 |
3 | 12212222110001111001 |
4 | 2013332001031201 |
5 | 14132440311144 |
6 | 1014205352001 |
7 | 110346504346 |
oct | 20776011541 |
9 | 5788401431 |
10 | 2281182049 |
11 | a70738923 |
12 | 537b68601 |
13 | 2a47b6a83 |
14 | 178d707cd |
15 | d5405bd4 |
hex | 87f81361 |
2281182049 has 2 divisors, whose sum is σ = 2281182050. Its totient is φ = 2281182048.
The previous prime is 2281182023. The next prime is 2281182109. The reversal of 2281182049 is 9402811822.
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., 2095350625 + 185831424 = 45775^2 + 13632^2 .
It is a cyclic number.
It is not a de Polignac number, because 2281182049 - 27 = 2281181921 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2281181999 and 2281182017.
It is not a weakly prime, because it can be changed into another prime (2281162049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140591024 + 1140591025.
It is an arithmetic number, because the mean of its divisors is an integer number (1140591025).
Almost surely, 22281182049 is an apocalyptic number.
It is an amenable number.
2281182049 is a deficient number, since it is larger than the sum of its proper divisors (1).
2281182049 is an equidigital number, since it uses as much as digits as its factorization.
2281182049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18432, while the sum is 37.
The square root of 2281182049 is about 47761.7215874805. The cubic root of 2281182049 is about 1316.3962863988.
The spelling of 2281182049 in words is "two billion, two hundred eighty-one million, one hundred eighty-two thousand, forty-nine".
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