Base | Representation |
---|---|
bin | 10110100111100011… |
… | …11111110001000100 |
3 | 1011100021021000022020 |
4 | 23103301333301010 |
5 | 144332104032122 |
6 | 5324535203140 |
7 | 606626036526 |
oct | 132361776104 |
9 | 34307230266 |
10 | 12143033412 |
11 | 5171475804 |
12 | 242a8164b0 |
13 | 11b6994793 |
14 | 832a11a16 |
15 | 4b10c5c5c |
hex | 2d3c7fc44 |
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".
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