Search a number
-
+
12113123113 = 713379351217
BaseRepresentation
bin10110100011111111…
…11001011100101001
31011021011222102002101
423101333321130221
5144301424414423
65321550133401
7606113563510
oct132177713451
934234872071
1012113123113
1151565a6753
1224207b1261
1311b0721590
1482ca67677
154ad6687ad
hex2d1ff9729

12113123113 has 16 divisors (see below), whose sum is σ = 14947838080. Its totient is φ = 9558694656.

The previous prime is 12113123093. The next prime is 12113123119. The reversal of 12113123113 is 31132131121.

It is not a de Polignac number, because 12113123113 - 29 = 12113122601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12113123119) 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, 141120 + ... + 210097.

It is an arithmetic number, because the mean of its divisors is an integer number (934239880).

Almost surely, 212113123113 is an apocalyptic number.

12113123113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12113123113 is a deficient number, since it is larger than the sum of its proper divisors (2834714967).

12113123113 is a wasteful number, since it uses less digits than its factorization.

12113123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351616.

The product of its digits is 108, while the sum is 19.

Adding to 12113123113 its reverse (31132131121), we get a palindrome (43245254234).

The spelling of 12113123113 in words is "twelve billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 7 13 91 379 2653 4927 34489 351217 2458519 4565821 31960747 133111243 931778701 1730446159 12113123113