Search a number
-
+
23444320241 = 104922349209
BaseRepresentation
bin10101110101011000…
…111110111111110001
32020111212121212101002
4111311120332333301
5341003221221431
614434205051345
71456654301606
oct256530767761
966455555332
1023444320241
119a40786881
124663556b55
13229814a854
1411c590c6ad
1592332a3cb
hex57563eff1

23444320241 has 4 divisors (see below), whose sum is σ = 23466670500. Its totient is φ = 23421969984.

The previous prime is 23444320223. The next prime is 23444320313. The reversal of 23444320241 is 14202344432.

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 15555327841 + 7888992400 = 124721^2 + 88820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23444320241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23444320201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11173556 + ... + 11175653.

It is an arithmetic number, because the mean of its divisors is an integer number (5866667625).

Almost surely, 223444320241 is an apocalyptic number.

It is an amenable number.

23444320241 is a deficient number, since it is larger than the sum of its proper divisors (22350259).

23444320241 is a wasteful number, since it uses less digits than its factorization.

23444320241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22350258.

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

Adding to 23444320241 its reverse (14202344432), we get a palindrome (37646664673).

The spelling of 23444320241 in words is "twenty-three billion, four hundred forty-four million, three hundred twenty thousand, two hundred forty-one".

Divisors: 1 1049 22349209 23444320241