Search a number
-
+
2010212209 = 17118247777
BaseRepresentation
bin111011111010001…
…0110011101110001
312012002120100202001
41313310112131301
513104103242314
6531245454001
7100546343665
oct16764263561
95162510661
102010212209
11941792205
12481271301
132606116a5
14150d968a5
15bb72d674
hex77d16771

2010212209 has 4 divisors (see below), whose sum is σ = 2128460004. Its totient is φ = 1891964416.

The previous prime is 2010212207. The next prime is 2010212221. The reversal of 2010212209 is 9022120102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1688799025 + 321413184 = 41095^2 + 17928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010212209 - 21 = 2010212207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59123872 + ... + 59123905.

It is an arithmetic number, because the mean of its divisors is an integer number (532115001).

Almost surely, 22010212209 is an apocalyptic number.

It is an amenable number.

2010212209 is a deficient number, since it is larger than the sum of its proper divisors (118247795).

2010212209 is a wasteful number, since it uses less digits than its factorization.

2010212209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118247794.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2010212209 is about 44835.3901399330. The cubic root of 2010212209 is about 1262.0618398339.

The spelling of 2010212209 in words is "two billion, ten million, two hundred twelve thousand, two hundred nine".

Divisors: 1 17 118247777 2010212209