Search a number
-
+
206199103 = 11171102669
BaseRepresentation
bin11000100101001…
…01100100111111
3112100222222222211
430102211210333
5410241332403
632243321251
75052443365
oct1422454477
9470888884
10206199103
11a6437490
1259080227
1333947b06
141d557635
151318106d
hexc4a593f

206199103 has 8 divisors (see below), whose sum is σ = 238176720. Its totient is φ = 176426880.

The previous prime is 206199053. The next prime is 206199121. The reversal of 206199103 is 301991602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206199103 - 29 = 206198591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206199143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551148 + ... + 551521.

It is an arithmetic number, because the mean of its divisors is an integer number (29772090).

Almost surely, 2206199103 is an apocalyptic number.

206199103 is a deficient number, since it is larger than the sum of its proper divisors (31977617).

206199103 is a wasteful number, since it uses less digits than its factorization.

206199103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102697.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 206199103 is about 14359.6345009196. The cubic root of 206199103 is about 590.7842706361.

The spelling of 206199103 in words is "two hundred six million, one hundred ninety-nine thousand, one hundred three".

Divisors: 1 11 17 187 1102669 12129359 18745373 206199103