Search a number
-
+
12143033412 = 2232473409187
BaseRepresentation
bin10110100111100011…
…11111110001000100
31011100021021000022020
423103301333301010
5144332104032122
65324535203140
7606626036526
oct132361776104
934307230266
1012143033412
115171475804
12242a8164b0
1311b6994793
14832a11a16
154b10c5c5c
hex2d3c7fc44

12143033412 has 24 divisors (see below), whose sum is σ = 28345271136. Its totient is φ = 4046031168.

The previous prime is 12143033387. The next prime is 12143033417. The reversal of 12143033412 is 21433034121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12143033417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174918 + ... + 234269.

It is an arithmetic number, because the mean of its divisors is an integer number (1181052964).

Almost surely, 212143033412 is an apocalyptic number.

12143033412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12143033412 is an abundant number, since it is smaller than the sum of its proper divisors (16202237724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12143033412 is a wasteful number, since it uses less digits than its factorization.

12143033412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411667 (or 411665 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12143033412 its reverse (21433034121), we get a palindrome (33576067533).

The spelling of 12143033412 in words is "twelve billion, one hundred forty-three million, thirty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2473 4946 7419 9892 14838 29676 409187 818374 1227561 1636748 2455122 4910244 1011919451 2023838902 3035758353 4047677804 6071516706 12143033412