Base | Representation |
---|---|
bin | 1010111010101101… |
… | …0111110011111101 |
3 | 21120020110011201101 |
4 | 2232223113303331 |
5 | 22000213332214 |
6 | 1202445013101 |
7 | 132423506542 |
oct | 25653276375 |
9 | 7506404641 |
10 | 2930605309 |
11 | 1274283165 |
12 | 699554191 |
13 | 3791c83a8 |
14 | 1db300bc9 |
15 | 122437774 |
hex | aead7cfd |
2930605309 has 2 divisors, whose sum is σ = 2930605310. Its totient is φ = 2930605308.
The previous prime is 2930605303. The next prime is 2930605319. The reversal of 2930605309 is 9035060392.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2924430084 + 6175225 = 54078^2 + 2485^2 .
It is a cyclic number.
It is not a de Polignac number, because 2930605309 - 29 = 2930604797 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2930605303) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465302654 + 1465302655.
It is an arithmetic number, because the mean of its divisors is an integer number (1465302655).
Almost surely, 22930605309 is an apocalyptic number.
It is an amenable number.
2930605309 is a deficient number, since it is larger than the sum of its proper divisors (1).
2930605309 is an equidigital number, since it uses as much as digits as its factorization.
2930605309 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 43740, while the sum is 37.
The square root of 2930605309 is about 54135.0654289805. The cubic root of 2930605309 is about 1431.0422103867.
The spelling of 2930605309 in words is "two billion, nine hundred thirty million, six hundred five thousand, three hundred nine".
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