Search a number
-
+
20232130133 = 82421245473
BaseRepresentation
bin10010110101111011…
…011100111001010101
31221020000022200221002
4102311323130321111
5312413411131013
613143340433045
71314241161065
oct226573347125
957200280832
1020232130133
118642567906
123b07848785
131ba5801647
14d9d06d3a5
157d6320358
hex4b5edce55

20232130133 has 4 divisors (see below), whose sum is σ = 20232458028. Its totient is φ = 20231802240.

The previous prime is 20232130033. The next prime is 20232130141. The reversal of 20232130133 is 33103123202.

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 10927984369 + 9304145764 = 104537^2 + 96458^2 .

It is a cyclic number.

It is not a de Polignac number, because 20232130133 - 216 = 20232064597 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 (20232130033) 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, 40316 + ... + 205157.

It is an arithmetic number, because the mean of its divisors is an integer number (5058114507).

Almost surely, 220232130133 is an apocalyptic number.

It is an amenable number.

20232130133 is a deficient number, since it is larger than the sum of its proper divisors (327895).

20232130133 is an equidigital number, since it uses as much as digits as its factorization.

20232130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327894.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20232130133 its reverse (33103123202), we get a palindrome (53335253335).

The spelling of 20232130133 in words is "twenty billion, two hundred thirty-two million, one hundred thirty thousand, one hundred thirty-three".

Divisors: 1 82421 245473 20232130133