Search a number
-
+
2133133313 = 2391789189
BaseRepresentation
bin111111100100101…
…0000100000000001
312111122212101210112
41333021100200001
513332040231223
6551400241105
7103601222363
oct17711204001
95448771715
102133133313
119a51096a3
124b6470195
1327cc1c07c
14163432d33
15c740e778
hex7f250801

2133133313 has 4 divisors (see below), whose sum is σ = 2133246420. Its totient is φ = 2133020208.

The previous prime is 2133133307. The next prime is 2133133333. The reversal of 2133133313 is 3133313312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 697329649 + 1435803664 = 26407^2 + 37892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133133313 - 216 = 2133067777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133133333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20678 + ... + 68511.

It is an arithmetic number, because the mean of its divisors is an integer number (533311605).

Almost surely, 22133133313 is an apocalyptic number.

It is an amenable number.

2133133313 is a deficient number, since it is larger than the sum of its proper divisors (113107).

2133133313 is an equidigital number, since it uses as much as digits as its factorization.

2133133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113106.

The product of its digits is 1458, while the sum is 23.

The square root of 2133133313 is about 46185.8562007894. The cubic root of 2133133313 is about 1287.2789454024.

Adding to 2133133313 its reverse (3133313312), we get a palindrome (5266446625).

The spelling of 2133133313 in words is "two billion, one hundred thirty-three million, one hundred thirty-three thousand, three hundred thirteen".

Divisors: 1 23917 89189 2133133313