Search a number
-
+
213204132241 = 297351866629
BaseRepresentation
bin1100011010001111110…
…1001110000110010001
3202101022120012002202021
43012203331032012101
511443120224212431
6241540012251441
721255253136242
oct3064375160621
9671276162667
10213204132241
11824681a1191
12353a1770b81
1317149a93c89
14a4679c6cc9
15582c799b11
hex31a3f4e191

213204132241 has 4 divisors (see below), whose sum is σ = 220555998900. Its totient is φ = 205852265584.

The previous prime is 213204132233. The next prime is 213204132247. The reversal of 213204132241 is 142231402312.

213204132241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163684976400 + 49519155841 = 404580^2 + 222529^2 .

It is a cyclic number.

It is not a de Polignac number, because 213204132241 - 23 = 213204132233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213204132247) 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, 3675933286 + ... + 3675933343.

It is an arithmetic number, because the mean of its divisors is an integer number (55138999725).

Almost surely, 2213204132241 is an apocalyptic number.

It is an amenable number.

213204132241 is a deficient number, since it is larger than the sum of its proper divisors (7351866659).

213204132241 is an equidigital number, since it uses as much as digits as its factorization.

213204132241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351866658.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 213204132241 its reverse (142231402312), we get a palindrome (355435534553).

The spelling of 213204132241 in words is "two hundred thirteen billion, two hundred four million, one hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 29 7351866629 213204132241