Search a number
-
+
5144455111 = 6418025671
BaseRepresentation
bin1001100101010001…
…00010011111000111
3111021112012101201111
410302220202133013
541013440030421
62210251305451
7241325101255
oct46250423707
914245171644
105144455111
1121aaa022a4
12bb6a4b287
1363ca689a3
1436b3455d5
1520198cee1
hex132a227c7

5144455111 has 4 divisors (see below), whose sum is σ = 5152481424. Its totient is φ = 5136428800.

The previous prime is 5144455109. The next prime is 5144455117. The reversal of 5144455111 is 1115544415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5144455111 - 21 = 5144455109 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 (5144455117) 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, 4012195 + ... + 4013476.

It is an arithmetic number, because the mean of its divisors is an integer number (1288120356).

Almost surely, 25144455111 is an apocalyptic number.

5144455111 is a deficient number, since it is larger than the sum of its proper divisors (8026313).

5144455111 is an equidigital number, since it uses as much as digits as its factorization.

5144455111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026312.

The product of its digits is 8000, while the sum is 31.

The square root of 5144455111 is about 71724.8569953262. The cubic root of 5144455111 is about 1726.2875060325.

Adding to 5144455111 its reverse (1115544415), we get a palindrome (6259999526).

The spelling of 5144455111 in words is "five billion, one hundred forty-four million, four hundred fifty-five thousand, one hundred eleven".

Divisors: 1 641 8025671 5144455111