Search a number
-
+
143144410223 = 223921639263
BaseRepresentation
bin1000010101010000010…
…0100101110001101111
3111200110222110110200002
42011110010211301233
54321124432111343
6145432025254515
713225152261023
oct2052404456157
9450428413602
10143144410223
1155786319081
12238aa93443b
1310663169069
146cdd0a6383
153acbcdd8b8
hex2154125c6f

143144410223 has 4 divisors (see below), whose sum is σ = 143145273408. Its totient is φ = 143143547040.

The previous prime is 143144410187. The next prime is 143144410229. The reversal of 143144410223 is 322014441341.

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: 322014441341 = 2711188245171.

It is a cyclic number.

It is not a de Polignac number, because 143144410223 - 218 = 143144148079 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 (143144410229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95711 + ... + 543552.

It is an arithmetic number, because the mean of its divisors is an integer number (35786318352).

Almost surely, 2143144410223 is an apocalyptic number.

143144410223 is a deficient number, since it is larger than the sum of its proper divisors (863185).

143144410223 is an equidigital number, since it uses as much as digits as its factorization.

143144410223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863184.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 143144410223 its reverse (322014441341), we get a palindrome (465158851564).

The spelling of 143144410223 in words is "one hundred forty-three billion, one hundred forty-four million, four hundred ten thousand, two hundred twenty-three".

Divisors: 1 223921 639263 143144410223