Base | Representation |
---|---|
bin | 1011010010100110… |
… | …0110101100111001 |
3 | 21211012222212021100 |
4 | 2310221212230321 |
5 | 22201341232210 |
6 | 1220424402013 |
7 | 135051264033 |
oct | 26451465471 |
9 | 7735885240 |
10 | 3030805305 |
11 | 13158a0980 |
12 | 707016309 |
13 | 393babc28 |
14 | 20a744c53 |
15 | 12b12b5c0 |
hex | b4a66b39 |
3030805305 has 48 divisors (see below), whose sum is σ = 6068110464. Its totient is φ = 1383037440.
The previous prime is 3030805259. The next prime is 3030805307. The reversal of 3030805305 is 5035080303.
It is not a de Polignac number, because 3030805305 - 28 = 3030805049 is a prime.
It is a super-2 number, since 2×30308053052 = 18371561593632286050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3030805307) 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 in 47 ways as a sum of consecutive naturals, for example, 171669 + ... + 188498.
It is an arithmetic number, because the mean of its divisors is an integer number (126418968).
Almost surely, 23030805305 is an apocalyptic number.
It is an amenable number.
3030805305 is an abundant number, since it is smaller than the sum of its proper divisors (3037305159).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3030805305 is a wasteful number, since it uses less digits than its factorization.
3030805305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360206 (or 360203 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 3030805305 is about 55052.7502037818. The cubic root of 3030805305 is about 1447.1693178230.
Adding to 3030805305 its reverse (5035080303), we get a palindrome (8065885608).
The spelling of 3030805305 in words is "three billion, thirty million, eight hundred five thousand, three hundred five".
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