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43223042441 = 206920890789
BaseRepresentation
bin101000010000010010…
…110100100110001001
311010120021210001112202
4220100102310212021
51202010044324231
631504551445545
73060051540665
oct502022644611
9133507701482
1043223042441
111737030a587
1284633868b5
1340caa2b277
1421406738a5
1511ce9375cb
hexa104b4989

43223042441 has 4 divisors (see below), whose sum is σ = 43243935300. Its totient is φ = 43202149584.

The previous prime is 43223042413. The next prime is 43223042461. The reversal of 43223042441 is 14424032234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14424032234 = 27212016117.

It can be written as a sum of positive squares in 2 ways, for example, as 7993254025 + 35229788416 = 89405^2 + 187696^2 .

It is a cyclic number.

It is not a de Polignac number, because 43223042441 - 26 = 43223042377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43223042461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10443326 + ... + 10447463.

It is an arithmetic number, because the mean of its divisors is an integer number (10810983825).

Almost surely, 243223042441 is an apocalyptic number.

It is an amenable number.

43223042441 is a deficient number, since it is larger than the sum of its proper divisors (20892859).

43223042441 is a wasteful number, since it uses less digits than its factorization.

43223042441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20892858.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43223042441 its reverse (14424032234), we get a palindrome (57647074675).

The spelling of 43223042441 in words is "forty-three billion, two hundred twenty-three million, forty-two thousand, four hundred forty-one".

Divisors: 1 2069 20890789 43223042441