Base | Representation |
---|---|
bin | 11011111110000011… |
… | …010111111110000001 |
3 | 2212111222200211000021 |
4 | 123332003113332001 |
5 | 443001204214444 |
6 | 21444020053441 |
7 | 2112136435333 |
oct | 337603277601 |
9 | 85458624007 |
10 | 30032101249 |
11 | 1181137a197 |
12 | 59a1834281 |
13 | 2aa7c24617 |
14 | 164c803453 |
15 | bab86a584 |
hex | 6fe0d7f81 |
30032101249 has 2 divisors, whose sum is σ = 30032101250. Its totient is φ = 30032101248.
The previous prime is 30032101199. The next prime is 30032101273. The reversal of 30032101249 is 94210123003.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29603611249 + 428490000 = 172057^2 + 20700^2 .
It is a cyclic number.
It is not a de Polignac number, because 30032101249 - 215 = 30032068481 is a prime.
It is not a weakly prime, because it can be changed into another prime (30032101289) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016050624 + 15016050625.
It is an arithmetic number, because the mean of its divisors is an integer number (15016050625).
Almost surely, 230032101249 is an apocalyptic number.
It is an amenable number.
30032101249 is a deficient number, since it is larger than the sum of its proper divisors (1).
30032101249 is an equidigital number, since it uses as much as digits as its factorization.
30032101249 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 25.
The spelling of 30032101249 in words is "thirty billion, thirty-two million, one hundred one thousand, two hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •