Search a number
-
+
12113130223 = 107391127957
BaseRepresentation
bin10110100011111111…
…11011001011101111
31011021011222202211201
423101333323023233
5144301430131343
65321550230331
7606113623315
oct132177731357
934234882751
1012113130223
115156601027
1224207b53a7
1311b072489c
1482ca6a0b5
154ad66a94d
hex2d1ffb2ef

12113130223 has 4 divisors (see below), whose sum is σ = 12114268920. Its totient is φ = 12111991528.

The previous prime is 12113130209. The next prime is 12113130257. The reversal of 12113130223 is 32203131121.

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 12113130223 - 29 = 12113129711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12113130223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113130203) 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, 553240 + ... + 574717.

It is an arithmetic number, because the mean of its divisors is an integer number (3028567230).

Almost surely, 212113130223 is an apocalyptic number.

12113130223 is a deficient number, since it is larger than the sum of its proper divisors (1138697).

12113130223 is a wasteful number, since it uses less digits than its factorization.

12113130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138696.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12113130223 its reverse (32203131121), we get a palindrome (44316261344).

The spelling of 12113130223 in words is "twelve billion, one hundred thirteen million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 10739 1127957 12113130223