Search a number
-
+
2013244123 = 111927533499
BaseRepresentation
bin111011111111111…
…1010101011011011
312012022021101202011
41313333322223123
513110342302443
6531434450351
7100614202252
oct16777725333
95168241664
102013244123
11943473120
124822939b7
13261133717
14151545799
15bbb2bb9d
hex77ffaadb

2013244123 has 16 divisors (see below), whose sum is σ = 2313360000. Its totient is φ = 1732769280.

The previous prime is 2013244109. The next prime is 2013244147. The reversal of 2013244123 is 3214423102.

It is not a de Polignac number, because 2013244123 - 29 = 2013243611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013244094 and 2013244103.

It is not an unprimeable number, because it can be changed into a prime (2013244153) 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, 573628 + ... + 577126.

It is an arithmetic number, because the mean of its divisors is an integer number (144585000).

Almost surely, 22013244123 is an apocalyptic number.

2013244123 is a deficient number, since it is larger than the sum of its proper divisors (300115877).

2013244123 is a wasteful number, since it uses less digits than its factorization.

2013244123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2013244123 is about 44869.1890165178. The cubic root of 2013244123 is about 1262.6960250861.

Adding to 2013244123 its reverse (3214423102), we get a palindrome (5227667225).

The spelling of 2013244123 in words is "two billion, thirteen million, two hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 11 19 209 2753 3499 30283 38489 52307 66481 575377 731291 9632747 105960217 183022193 2013244123