Base | Representation |
---|---|
bin | 1000011111101000… |
… | …0001111100101001 |
3 | 12212220110221020121 |
4 | 2013322001330221 |
5 | 14132203331424 |
6 | 1014131123241 |
7 | 110334561151 |
oct | 20772017451 |
9 | 5786427217 |
10 | 2280136489 |
11 | a70094324 |
12 | 537743521 |
13 | 2a450bbb7 |
14 | 178b7b761 |
15 | d529aee4 |
hex | 87e81f29 |
2280136489 has 2 divisors, whose sum is σ = 2280136490. Its totient is φ = 2280136488.
The previous prime is 2280136423. The next prime is 2280136493. The reversal of 2280136489 is 9846310822.
2280136489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2262429225 + 17707264 = 47565^2 + 4208^2 .
It is a cyclic number.
It is not a de Polignac number, because 2280136489 - 217 = 2280005417 is a prime.
It is not a weakly prime, because it can be changed into another prime (2280136499) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140068244 + 1140068245.
It is an arithmetic number, because the mean of its divisors is an integer number (1140068245).
Almost surely, 22280136489 is an apocalyptic number.
It is an amenable number.
2280136489 is a deficient number, since it is larger than the sum of its proper divisors (1).
2280136489 is an equidigital number, since it uses as much as digits as its factorization.
2280136489 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 165888, while the sum is 43.
The square root of 2280136489 is about 47750.7747476415. The cubic root of 2280136489 is about 1316.1951360583.
The spelling of 2280136489 in words is "two billion, two hundred eighty million, one hundred thirty-six thousand, four hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.021 sec. • engine limits •