Base | Representation |
---|---|
bin | 10010101000010010… |
… | …101100011110010001 |
3 | 1220122001211001220212 |
4 | 102220102230132101 |
5 | 311431323422400 |
6 | 13104525013505 |
7 | 1305462413666 |
oct | 225022543621 |
9 | 56561731825 |
10 | 20003342225 |
11 | 8535402099 |
12 | 3a630b4295 |
13 | 1b6a2a7c99 |
14 | d7a915a6d |
15 | 7c11cb335 |
hex | 4a84ac791 |
20003342225 has 6 divisors (see below), whose sum is σ = 24804144390. Its totient is φ = 16002673760.
The previous prime is 20003342207. The next prime is 20003342287. The reversal of 20003342225 is 52224330002.
It can be written as a sum of positive squares in 3 ways, for example, as 3064840321 + 16938501904 = 55361^2 + 130148^2 .
It is not a de Polignac number, because 20003342225 - 218 = 20003080081 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20003342225.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400066820 + ... + 400066869.
It is an arithmetic number, because the mean of its divisors is an integer number (4134024065).
Almost surely, 220003342225 is an apocalyptic number.
20003342225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20003342225 is a deficient number, since it is larger than the sum of its proper divisors (4800802165).
20003342225 is an equidigital number, since it uses as much as digits as its factorization.
20003342225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 800133699 (or 800133694 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 23.
Adding to 20003342225 its reverse (52224330002), we get a palindrome (72227672227).
The spelling of 20003342225 in words is "twenty billion, three million, three hundred forty-two thousand, two hundred twenty-five".
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