Base | Representation |
---|---|
bin | 10110100111100011… |
… | …11111011101001111 |
3 | 1011100021020221120020 |
4 | 23103301333131033 |
5 | 144332104012033 |
6 | 5324535153223 |
7 | 606626033034 |
oct | 132361773517 |
9 | 34307227506 |
10 | 12143032143 |
11 | 5171474860 |
12 | 242a815813 |
13 | 11b6994028 |
14 | 832a1138b |
15 | 4b10c56b3 |
hex | 2d3c7f74f |
12143032143 has 8 divisors (see below), whose sum is σ = 17662592256. Its totient is φ = 7359413400.
The previous prime is 12143032133. The next prime is 12143032177. The reversal of 12143032143 is 34123034121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12143032143 - 212 = 12143028047 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12143032123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183985303 + ... + 183985368.
It is an arithmetic number, because the mean of its divisors is an integer number (2207824032).
Almost surely, 212143032143 is an apocalyptic number.
12143032143 is a deficient number, since it is larger than the sum of its proper divisors (5519560113).
12143032143 is a wasteful number, since it uses less digits than its factorization.
12143032143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367970685.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 12143032143 its reverse (34123034121), we get a palindrome (46266066264).
The spelling of 12143032143 in words is "twelve billion, one hundred forty-three million, thirty-two thousand, one hundred forty-three".
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