Base | Representation |
---|---|
bin | 11000011100001… |
… | …00110010010100 |
3 | 112021202220101001 |
4 | 30032010302110 |
5 | 404441004322 |
6 | 32202113044 |
7 | 5036415622 |
oct | 1416046224 |
9 | 467686331 |
10 | 205016212 |
11 | a57a9795 |
12 | 587ab784 |
13 | 3362258b |
14 | 1d32a512 |
15 | 12eea827 |
hex | c384c94 |
205016212 has 12 divisors (see below), whose sum is σ = 359032576. Its totient is φ = 102435480.
The previous prime is 205016197. The next prime is 205016219. The reversal of 205016212 is 212610502.
205016212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 205016212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205016219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11538 + ... + 23305.
Almost surely, 2205016212 is an apocalyptic number.
It is an amenable number.
205016212 is a deficient number, since it is larger than the sum of its proper divisors (154016364).
205016212 is a wasteful number, since it uses less digits than its factorization.
205016212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36318 (or 36316 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 205016212 is about 14318.3871996814. The cubic root of 205016212 is about 589.6523969900.
Adding to 205016212 its reverse (212610502), we get a palindrome (417626714).
The spelling of 205016212 in words is "two hundred five million, sixteen thousand, two hundred twelve".
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