Search a number
-
+
144424640543 = 217081665303
BaseRepresentation
bin1000011010000001100…
…0010010000000011111
3111210210012102220111212
42012200120102000133
54331240201444133
6150203041135035
713301656121651
oct2064030220037
9453705386455
10144424640543
1156282a43067
1223ba762a47b
13108084716b1
146dc111c6d1
153b543c6148
hex21a061201f

144424640543 has 4 divisors (see below), whose sum is σ = 144425522928. Its totient is φ = 144423758160.

The previous prime is 144424640537. The next prime is 144424640567. The reversal of 144424640543 is 345046424441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 345046424441 = 676795098279.

It is a cyclic number.

It is not a de Polignac number, because 144424640543 - 216 = 144424575007 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 144424640543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144424640573) 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, 115571 + ... + 549732.

It is an arithmetic number, because the mean of its divisors is an integer number (36106380732).

Almost surely, 2144424640543 is an apocalyptic number.

144424640543 is a deficient number, since it is larger than the sum of its proper divisors (882385).

144424640543 is an equidigital number, since it uses as much as digits as its factorization.

144424640543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882384.

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 144424640543 in words is "one hundred forty-four billion, four hundred twenty-four million, six hundred forty thousand, five hundred forty-three".

Divisors: 1 217081 665303 144424640543