Base | Representation |
---|---|
bin | 101111011010… |
… | …111000110111 |
3 | 212101112222211 |
4 | 233122320313 |
5 | 11140242103 |
6 | 1122234251 |
7 | 210442462 |
oct | 57327067 |
9 | 25345884 |
10 | 12430903 |
11 | 7020581 |
12 | 41b5987 |
13 | 2763184 |
14 | 19182d9 |
15 | 115836d |
hex | bdae37 |
12430903 has 2 divisors, whose sum is σ = 12430904. Its totient is φ = 12430902.
The previous prime is 12430861. The next prime is 12430931. The reversal of 12430903 is 30903421.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12430903 - 29 = 12430391 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12430963) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215451 + 6215452.
It is an arithmetic number, because the mean of its divisors is an integer number (6215452).
Almost surely, 212430903 is an apocalyptic number.
12430903 is a deficient number, since it is larger than the sum of its proper divisors (1).
12430903 is an equidigital number, since it uses as much as digits as its factorization.
12430903 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 12430903 is about 3525.7485729984. The cubic root of 12430903 is about 231.6510248282.
The spelling of 12430903 in words is "twelve million, four hundred thirty thousand, nine hundred three".
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