Base | Representation |
---|---|
bin | 11000011101000… |
… | …11010001110001 |
3 | 112022000020200201 |
4 | 30032203101301 |
5 | 410004003410 |
6 | 32204515201 |
7 | 5040446011 |
oct | 1416432161 |
9 | 468006621 |
10 | 205141105 |
11 | a5884604 |
12 | 5884bb01 |
13 | 33667390 |
14 | 1d35dc41 |
15 | 1302283a |
hex | c3a3471 |
205141105 has 16 divisors (see below), whose sum is σ = 273659904. Its totient is φ = 146600640.
The previous prime is 205141087. The next prime is 205141127. The reversal of 205141105 is 501141502.
It is not a de Polignac number, because 205141105 - 213 = 205132913 is a prime.
It is a Duffinian number.
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 15 ways as a sum of consecutive naturals, for example, 48889 + ... + 52918.
It is an arithmetic number, because the mean of its divisors is an integer number (17103744).
Almost surely, 2205141105 is an apocalyptic number.
It is an amenable number.
205141105 is a deficient number, since it is larger than the sum of its proper divisors (68518799).
205141105 is a wasteful number, since it uses less digits than its factorization.
205141105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101856.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 205141105 is about 14322.7478159744. The cubic root of 205141105 is about 589.7721086736.
Adding to 205141105 its reverse (501141502), we get a palindrome (706282607).
The spelling of 205141105 in words is "two hundred five million, one hundred forty-one thousand, one hundred five".
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