Base | Representation |
---|---|
bin | 1001100000001000… |
… | …1110101000111111 |
3 | 20120202122001112101 |
4 | 2120002032220333 |
5 | 20210441033322 |
6 | 1101034445531 |
7 | 120131525425 |
oct | 23002165077 |
9 | 6522561471 |
10 | 2550721087 |
11 | 10998a7562 |
12 | 5b22938a7 |
13 | 3185aab25 |
14 | 1a2a95115 |
15 | edde9327 |
hex | 9808ea3f |
2550721087 has 2 divisors, whose sum is σ = 2550721088. Its totient is φ = 2550721086.
The previous prime is 2550721073. The next prime is 2550721141. The reversal of 2550721087 is 7801270552.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2550721087 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2550721787) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275360543 + 1275360544.
It is an arithmetic number, because the mean of its divisors is an integer number (1275360544).
Almost surely, 22550721087 is an apocalyptic number.
2550721087 is a deficient number, since it is larger than the sum of its proper divisors (1).
2550721087 is an equidigital number, since it uses as much as digits as its factorization.
2550721087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 39200, while the sum is 37.
The square root of 2550721087 is about 50504.6640123464. The cubic root of 2550721087 is about 1366.3259733023.
The spelling of 2550721087 in words is "two billion, five hundred fifty million, seven hundred twenty-one thousand, eighty-seven".
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