Base | Representation |
---|---|
bin | 10111001011010110… |
… | …11011100010010000 |
3 | 1012010012021020102020 |
4 | 23211223123202100 |
5 | 200440441131112 |
6 | 5414423051440 |
7 | 620233215330 |
oct | 134553334220 |
9 | 35105236366 |
10 | 12443302032 |
11 | 5305a12a97 |
12 | 24b32a0b80 |
13 | 1233c57915 |
14 | 8608550c0 |
15 | 4cc63948c |
hex | 2e5adb890 |
12443302032 has 40 divisors (see below), whose sum is σ = 36737368896. Its totient is φ = 3555229056.
The previous prime is 12443302019. The next prime is 12443302033. The reversal of 12443302032 is 23020334421.
12443302032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×124433020323 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 12443301993 and 12443302011.
It is not an unprimeable number, because it can be changed into a prime (12443302033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18516483 + ... + 18517154.
Almost surely, 212443302032 is an apocalyptic number.
12443302032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12443302032 is an abundant number, since it is smaller than the sum of its proper divisors (24294066864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12443302032 is a wasteful number, since it uses less digits than its factorization.
12443302032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37033655 (or 37033649 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 12443302032 its reverse (23020334421), we get a palindrome (35463636453).
The spelling of 12443302032 in words is "twelve billion, four hundred forty-three million, three hundred two thousand, thirty-two".
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