Base | Representation |
---|---|
bin | 10111100001000010… |
… | …11111000011001101 |
3 | 1012120212121212101011 |
4 | 23300201133003031 |
5 | 201324030304430 |
6 | 5444442445221 |
7 | 624602543416 |
oct | 136041370315 |
9 | 35525555334 |
10 | 12625244365 |
11 | 5399691a58 |
12 | 2544203811 |
13 | 126285b8c6 |
14 | 87aa9680d |
15 | 4dd5c822a |
hex | 2f085f0cd |
12625244365 has 4 divisors (see below), whose sum is σ = 15150293244. Its totient is φ = 10100195488.
The previous prime is 12625244347. The next prime is 12625244417. The reversal of 12625244365 is 56344252621.
It is a happy number.
12625244365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56344252621 = 73 ⋅771839077.
It can be written as a sum of positive squares in 2 ways, for example, as 2901115044 + 9724129321 = 53862^2 + 98611^2 .
It is a cyclic number.
It is not a de Polignac number, because 12625244365 - 225 = 12591689933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 in 3 ways as a sum of consecutive naturals, for example, 1262524432 + ... + 1262524441.
It is an arithmetic number, because the mean of its divisors is an integer number (3787573311).
Almost surely, 212625244365 is an apocalyptic number.
It is an amenable number.
12625244365 is a deficient number, since it is larger than the sum of its proper divisors (2525048879).
12625244365 is an equidigital number, since it uses as much as digits as its factorization.
12625244365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2525048878.
The product of its digits is 345600, while the sum is 40.
Adding to 12625244365 its reverse (56344252621), we get a palindrome (68969496986).
The spelling of 12625244365 in words is "twelve billion, six hundred twenty-five million, two hundred forty-four thousand, three hundred sixty-five".
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