Base | Representation |
---|---|
bin | 1000011111111000… |
… | …0111100100011001 |
3 | 12212222111101012111 |
4 | 2013332013210121 |
5 | 14132442124324 |
6 | 1014210112321 |
7 | 110346643306 |
oct | 20776074431 |
9 | 5788441174 |
10 | 2281208089 |
11 | a70756446 |
12 | 537b7b6a1 |
13 | 2a47c5894 |
14 | 178d7a0ad |
15 | d540d794 |
hex | 87f87919 |
2281208089 has 2 divisors, whose sum is σ = 2281208090. Its totient is φ = 2281208088.
The previous prime is 2281208051. The next prime is 2281208099. The reversal of 2281208089 is 9808021822.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2222179600 + 59028489 = 47140^2 + 7683^2 .
It is a cyclic number.
It is not a de Polignac number, because 2281208089 - 211 = 2281206041 is a prime.
It is not a weakly prime, because it can be changed into another prime (2281208099) 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, 1140604044 + 1140604045.
It is an arithmetic number, because the mean of its divisors is an integer number (1140604045).
Almost surely, 22281208089 is an apocalyptic number.
It is an amenable number.
2281208089 is a deficient number, since it is larger than the sum of its proper divisors (1).
2281208089 is an equidigital number, since it uses as much as digits as its factorization.
2281208089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36864, while the sum is 40.
The square root of 2281208089 is about 47761.9941899414. The cubic root of 2281208089 is about 1316.4012953266.
The spelling of 2281208089 in words is "two billion, two hundred eighty-one million, two hundred eight thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •