Search a number
-
+
144111113 = 263547951
BaseRepresentation
bin10001001011011…
…11011000001001
3101001011121021122
420211233120021
5243343023423
622144445025
73366632006
oct1045573011
9331147248
10144111113
117438a8a3
1240319775
1323b19663
14151d48ad
15c9b98c8
hex896f609

144111113 has 4 divisors (see below), whose sum is σ = 144659328. Its totient is φ = 143562900.

The previous prime is 144111109. The next prime is 144111119. The reversal of 144111113 is 311111441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311111441 = 1718300673.

It is a cyclic number.

It is not a de Polignac number, because 144111113 - 22 = 144111109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144111091 and 144111100.

It is not an unprimeable number, because it can be changed into a prime (144111119) 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, 273713 + ... + 274238.

It is an arithmetic number, because the mean of its divisors is an integer number (36164832).

Almost surely, 2144111113 is an apocalyptic number.

It is an amenable number.

144111113 is a deficient number, since it is larger than the sum of its proper divisors (548215).

144111113 is an equidigital number, since it uses as much as digits as its factorization.

144111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548214.

The product of its digits is 48, while the sum is 17.

The square root of 144111113 is about 12004.6288155861. The cubic root of 144111113 is about 524.2830582736.

Adding to 144111113 its reverse (311111441), we get a palindrome (455222554).

The spelling of 144111113 in words is "one hundred forty-four million, one hundred eleven thousand, one hundred thirteen".

Divisors: 1 263 547951 144111113