Search a number
-
+
105443230223 = 4118122962047
BaseRepresentation
bin110001000110011101…
…0000000001000001111
3101002011112001002101002
41202030322000020033
53211421431331343
6120235010210515
710421660445242
oct1421472001017
9332145032332
10105443230223
1140799a55581
1218528883a3b
139c35437826
145163d3b259
152b220438b8
hex188ce8020f

105443230223 has 16 divisors (see below), whose sum is σ = 109087829760. Its totient is φ = 101854713600.

The previous prime is 105443230181. The next prime is 105443230259. The reversal of 105443230223 is 322032344501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105443230223 - 212 = 105443226127 is a prime.

It is a super-2 number, since 2×1054432302232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105443230273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668386 + ... + 1730432.

It is an arithmetic number, because the mean of its divisors is an integer number (6817989360).

Almost surely, 2105443230223 is an apocalyptic number.

105443230223 is a deficient number, since it is larger than the sum of its proper divisors (3644599537).

105443230223 is a wasteful number, since it uses less digits than its factorization.

105443230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62498.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 105443230223 its reverse (322032344501), we get a palindrome (427475574724).

The spelling of 105443230223 in words is "one hundred five billion, four hundred forty-three million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 41 181 229 7421 9389 41449 62047 1699409 2543927 11230507 14208763 460450787 582559283 2571786103 105443230223