Base | Representation |
---|---|
bin | 10111001011011101… |
… | …00101111101000111 |
3 | 1012010020211100202001 |
4 | 23211232211331013 |
5 | 200441144144033 |
6 | 5414452530131 |
7 | 620243240503 |
oct | 134556457507 |
9 | 35106740661 |
10 | 12444131143 |
11 | 5306429a04 |
12 | 24b3620947 |
13 | 1234188112 |
14 | 8609cd303 |
15 | 4cc74ee7d |
hex | 2e5ba5f47 |
12444131143 has 8 divisors (see below), whose sum is σ = 12685276800. Its totient is φ = 12203993208.
The previous prime is 12444131123. The next prime is 12444131207. The reversal of 12444131143 is 34113144421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12444131143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12444131123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226971 + ... + 276412.
It is an arithmetic number, because the mean of its divisors is an integer number (1585659600).
Almost surely, 212444131143 is an apocalyptic number.
12444131143 is a deficient number, since it is larger than the sum of its proper divisors (241145657).
12444131143 is an equidigital number, since it uses as much as digits as its factorization.
12444131143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503861.
The product of its digits is 4608, while the sum is 28.
Adding to 12444131143 its reverse (34113144421), we get a palindrome (46557275564).
The spelling of 12444131143 in words is "twelve billion, four hundred forty-four million, one hundred thirty-one thousand, one hundred forty-three".
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