Base | Representation |
---|---|
bin | 11100001110001010… |
… | …010000111111010001 |
3 | 2220012211012112011111 |
4 | 130032022100333101 |
5 | 444024344434441 |
6 | 21530512213321 |
7 | 2121630444451 |
oct | 341612207721 |
9 | 86184175144 |
10 | 30302343121 |
11 | 1193a978986 |
12 | 5a5823a241 |
13 | 2b1bc0355b |
14 | 167666bd61 |
15 | bc544c081 |
hex | 70e290fd1 |
30302343121 has 2 divisors, whose sum is σ = 30302343122. Its totient is φ = 30302343120.
The previous prime is 30302343091. The next prime is 30302343133. The reversal of 30302343121 is 12134320303.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29542734400 + 759608721 = 171880^2 + 27561^2 .
It is a cyclic number.
It is not a de Polignac number, because 30302343121 - 25 = 30302343089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30302343092 and 30302343101.
It is not a weakly prime, because it can be changed into another prime (30302343161) 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 as a sum of consecutive naturals, namely, 15151171560 + 15151171561.
It is an arithmetic number, because the mean of its divisors is an integer number (15151171561).
Almost surely, 230302343121 is an apocalyptic number.
It is an amenable number.
30302343121 is a deficient number, since it is larger than the sum of its proper divisors (1).
30302343121 is an equidigital number, since it uses as much as digits as its factorization.
30302343121 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 22.
Adding to 30302343121 its reverse (12134320303), we get a palindrome (42436663424).
The spelling of 30302343121 in words is "thirty billion, three hundred two million, three hundred forty-three thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •