Base | Representation |
---|---|
bin | 11001010001011… |
… | …01110111001011 |
3 | 112202220201121101 |
4 | 30220231313023 |
5 | 413233001303 |
6 | 33011522231 |
7 | 5152654252 |
oct | 1450556713 |
9 | 482821541 |
10 | 212000203 |
11 | a9739988 |
12 | 5abb9377 |
13 | 34bc940c |
14 | 20227799 |
15 | 13929d1d |
hex | ca2ddcb |
212000203 has 2 divisors, whose sum is σ = 212000204. Its totient is φ = 212000202.
The previous prime is 212000189. The next prime is 212000209. The reversal of 212000203 is 302000212.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212000203 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212000203.
It is not a weakly prime, because it can be changed into another prime (212000209) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000101 + 106000102.
It is an arithmetic number, because the mean of its divisors is an integer number (106000102).
Almost surely, 2212000203 is an apocalyptic number.
212000203 is a deficient number, since it is larger than the sum of its proper divisors (1).
212000203 is an equidigital number, since it uses as much as digits as its factorization.
212000203 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 212000203 is about 14560.2267496080. The cubic root of 212000203 is about 596.2733860942.
Adding to 212000203 its reverse (302000212), we get a palindrome (514000415).
Subtracting 212000203 from its reverse (302000212), we obtain a palindrome (90000009).
The spelling of 212000203 in words is "two hundred twelve million, two hundred three", and thus it is an aban number.
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