Base | Representation |
---|---|
bin | 1100010110100000011… |
… | …0110011001011001011 |
3 | 202021201120202102121001 |
4 | 3011220012303023023 |
5 | 11434041200313233 |
6 | 241252222355431 |
7 | 21221341220401 |
oct | 3055006631313 |
9 | 667646672531 |
10 | 212200010443 |
11 | 81aa2412663 |
12 | 3516142bb77 |
13 | 17019a42975 |
14 | a3b04c5471 |
15 | 57be55227d |
hex | 31681b32cb |
212200010443 has 4 divisors (see below), whose sum is σ = 212222025688. Its totient is φ = 212177995200.
The previous prime is 212200010413. The next prime is 212200010459. The reversal of 212200010443 is 344010002212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 212200010443 - 225 = 212166456011 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212200010443.
It is not an unprimeable number, because it can be changed into a prime (212200010413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993158 + ... + 11012443.
It is an arithmetic number, because the mean of its divisors is an integer number (53055506422).
Almost surely, 2212200010443 is an apocalyptic number.
212200010443 is a deficient number, since it is larger than the sum of its proper divisors (22015245).
212200010443 is an equidigital number, since it uses as much as digits as its factorization.
212200010443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22015244.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 212200010443 its reverse (344010002212), we get a palindrome (556210012655).
The spelling of 212200010443 in words is "two hundred twelve billion, two hundred million, ten thousand, four hundred forty-three".
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