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199200011 = 431462181
BaseRepresentation
bin10111101111110…
…00110100001011
3111212211102001012
423313320310023
5401443400021
631433314135
74636113023
oct1367706413
9455742035
10199200011
11a2496a0a
125686594b
133236713a
141c654a83
151274c35b
hexbdf8d0b

199200011 has 4 divisors (see below), whose sum is σ = 199662624. Its totient is φ = 198737400.

The previous prime is 199199969. The next prime is 199200019. The reversal of 199200011 is 110002991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199200011 - 218 = 198937867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199200011.

It is not an unprimeable number, because it can be changed into a prime (199200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230660 + ... + 231521.

It is an arithmetic number, because the mean of its divisors is an integer number (49915656).

Almost surely, 2199200011 is an apocalyptic number.

199200011 is a deficient number, since it is larger than the sum of its proper divisors (462613).

199200011 is an equidigital number, since it uses as much as digits as its factorization.

199200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462612.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 199200011 is about 14113.8234011908. The cubic root of 199200011 is about 584.0227783619.

The spelling of 199200011 in words is "one hundred ninety-nine million, two hundred thousand, eleven".

Divisors: 1 431 462181 199200011