Base | Representation |
---|---|
bin | 101111100101… |
… | …001011111001 |
3 | 212110200211222 |
4 | 233211023321 |
5 | 11143114311 |
6 | 1123201425 |
7 | 211006445 |
oct | 57451371 |
9 | 25420758 |
10 | 12473081 |
11 | 704a235 |
12 | 4216275 |
13 | 277942a |
14 | 1929825 |
15 | 1165adb |
hex | be52f9 |
12473081 has 2 divisors, whose sum is σ = 12473082. Its totient is φ = 12473080.
The previous prime is 12473077. The next prime is 12473093. The reversal of 12473081 is 18037421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12313081 + 160000 = 3509^2 + 400^2 .
It is a cyclic number.
It is not a de Polignac number, because 12473081 - 22 = 12473077 is a prime.
It is a super-2 number, since 2×124730812 = 311155499265122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12473081.
It is not a weakly prime, because it can be changed into another prime (12473281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6236540 + 6236541.
It is an arithmetic number, because the mean of its divisors is an integer number (6236541).
Almost surely, 212473081 is an apocalyptic number.
It is an amenable number.
12473081 is a deficient number, since it is larger than the sum of its proper divisors (1).
12473081 is an equidigital number, since it uses as much as digits as its factorization.
12473081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 12473081 is about 3531.7249326639. The cubic root of 12473081 is about 231.9127260417.
The spelling of 12473081 in words is "twelve million, four hundred seventy-three thousand, eighty-one".
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