Base | Representation |
---|---|
bin | 11000011100010… |
… | …11010110101000 |
3 | 112021211021021100 |
4 | 30032023112220 |
5 | 404442334422 |
6 | 32202441400 |
7 | 5036560221 |
oct | 1416132650 |
9 | 467737240 |
10 | 205043112 |
11 | a5817a1a |
12 | 58803260 |
13 | 336318b1 |
14 | 1d336248 |
15 | 130037ac |
hex | c38b5a8 |
205043112 has 48 divisors (see below), whose sum is σ = 555984000. Its totient is φ = 68266656.
The previous prime is 205043107. The next prime is 205043123. The reversal of 205043112 is 211340502.
It is a super-3 number, since 3×2050431123 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115689 + ... + 117447.
It is an arithmetic number, because the mean of its divisors is an integer number (11583000).
Almost surely, 2205043112 is an apocalyptic number.
It is an amenable number.
205043112 is an abundant number, since it is smaller than the sum of its proper divisors (350940888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205043112 is a wasteful number, since it uses less digits than its factorization.
205043112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3390 (or 3383 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 205043112 is about 14319.3265204757. The cubic root of 205043112 is about 589.6781851227.
Adding to 205043112 its reverse (211340502), we get a palindrome (416383614).
The spelling of 205043112 in words is "two hundred five million, forty-three thousand, one hundred twelve".
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