Base | Representation |
---|---|
bin | 11000000010110010… |
… | …10000011111000001 |
3 | 1020022121020121000112 |
4 | 30001121100133001 |
5 | 202414011101400 |
6 | 5532513401105 |
7 | 634610512232 |
oct | 140131203701 |
9 | 36277217015 |
10 | 12908300225 |
11 | 5524443017 |
12 | 2602b69195 |
13 | 12a93a6192 |
14 | 8a64d9089 |
15 | 50838b835 |
hex | 3016507c1 |
12908300225 has 6 divisors (see below), whose sum is σ = 16006292310. Its totient is φ = 10326640160.
The previous prime is 12908300213. The next prime is 12908300239. The reversal of 12908300225 is 52200380921.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 3550253056 + 9358047169 = 59584^2 + 96737^2 .
It is not a de Polignac number, because 12908300225 - 230 = 11834558401 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12908300191 and 12908300200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258165980 + ... + 258166029.
It is an arithmetic number, because the mean of its divisors is an integer number (2667715385).
Almost surely, 212908300225 is an apocalyptic number.
It is an amenable number.
12908300225 is a deficient number, since it is larger than the sum of its proper divisors (3097992085).
12908300225 is an equidigital number, since it uses as much as digits as its factorization.
12908300225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 516332019 (or 516332014 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 32.
The spelling of 12908300225 in words is "twelve billion, nine hundred eight million, three hundred thousand, two hundred twenty-five".
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