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23031224441 = 136116922281
BaseRepresentation
bin10101011100110001…
…001001100001111001
32012110002022102110122
4111130301021201321
5334131443140231
614325211023025
71443510114641
oct253461114171
965402272418
1023031224441
119849586895
12456913aa75
1322306a2574
141186ad9521
158ebe2b77b
hex55cc49879

23031224441 has 4 divisors (see below), whose sum is σ = 23048148084. Its totient is φ = 23014300800.

The previous prime is 23031224431. The next prime is 23031224449. The reversal of 23031224441 is 14442213032.

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 3088136041 + 19943088400 = 55571^2 + 141220^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031224441 - 210 = 23031223417 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 23031224441.

It is not an unprimeable number, because it can be changed into a prime (23031224449) 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, 8459780 + ... + 8462501.

It is an arithmetic number, because the mean of its divisors is an integer number (5762037021).

Almost surely, 223031224441 is an apocalyptic number.

It is an amenable number.

23031224441 is a deficient number, since it is larger than the sum of its proper divisors (16923643).

23031224441 is a wasteful number, since it uses less digits than its factorization.

23031224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923642.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23031224441 its reverse (14442213032), we get a palindrome (37473437473).

The spelling of 23031224441 in words is "twenty-three billion, thirty-one million, two hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 1361 16922281 23031224441