Base | Representation |
---|---|
bin | 111001011101… |
… | …0011010111011 |
3 | 2002200102221212 |
4 | 1302322122323 |
5 | 30202424312 |
6 | 2553353335 |
7 | 514022135 |
oct | 162723273 |
9 | 62612855 |
10 | 30123707 |
11 | 16005429 |
12 | a10884b |
13 | 63193a3 |
14 | 4002055 |
15 | 29a0822 |
hex | 1cba6bb |
30123707 has 2 divisors, whose sum is σ = 30123708. Its totient is φ = 30123706.
The previous prime is 30123703. The next prime is 30123719. The reversal of 30123707 is 70732103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30123707 - 22 = 30123703 is a prime.
It is not a weakly prime, because it can be changed into another prime (30123701) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061853 + 15061854.
It is an arithmetic number, because the mean of its divisors is an integer number (15061854).
Almost surely, 230123707 is an apocalyptic number.
30123707 is a deficient number, since it is larger than the sum of its proper divisors (1).
30123707 is an equidigital number, since it uses as much as digits as its factorization.
30123707 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 882, while the sum is 23.
The square root of 30123707 is about 5488.5068096888. The cubic root of 30123707 is about 311.1497608965.
The spelling of 30123707 in words is "thirty million, one hundred twenty-three thousand, seven hundred seven".
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