Base | Representation |
---|---|
bin | 1010111100110101… |
… | …0000111111101111 |
3 | 21120212011120121122 |
4 | 2233031100333233 |
5 | 22010002142122 |
6 | 1203403251155 |
7 | 132562153346 |
oct | 25715207757 |
9 | 7525146548 |
10 | 2939490287 |
11 | 12792a1618 |
12 | 6a0519abb |
13 | 37acb9586 |
14 | 1dc574b5d |
15 | 1230e0142 |
hex | af350fef |
2939490287 has 2 divisors, whose sum is σ = 2939490288. Its totient is φ = 2939490286.
The previous prime is 2939490259. The next prime is 2939490313. The reversal of 2939490287 is 7820949392.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2939490287 - 28 = 2939490031 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2939490787) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469745143 + 1469745144.
It is an arithmetic number, because the mean of its divisors is an integer number (1469745144).
Almost surely, 22939490287 is an apocalyptic number.
2939490287 is a deficient number, since it is larger than the sum of its proper divisors (1).
2939490287 is an equidigital number, since it uses as much as digits as its factorization.
2939490287 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1959552, while the sum is 53.
The square root of 2939490287 is about 54217.0663813527. The cubic root of 2939490287 is about 1432.4869574959.
The spelling of 2939490287 in words is "two billion, nine hundred thirty-nine million, four hundred ninety thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •