Search a number
-
+
205141105 = 51331101807
BaseRepresentation
bin11000011101000…
…11010001110001
3112022000020200201
430032203101301
5410004003410
632204515201
75040446011
oct1416432161
9468006621
10205141105
11a5884604
125884bb01
1333667390
141d35dc41
151302283a
hexc3a3471

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".

Divisors: 1 5 13 31 65 155 403 2015 101807 509035 1323491 3156017 6617455 15780085 41028221 205141105