Base | Representation |
---|---|
bin | 10110100111100100… |
… | …10111011000011111 |
3 | 1011100021102220222212 |
4 | 23103302113120133 |
5 | 144332120131033 |
6 | 5324541231035 |
7 | 606626621534 |
oct | 132362273037 |
9 | 34307386885 |
10 | 12143130143 |
11 | 5171531451 |
12 | 242a86247b |
13 | 11b69c9811 |
14 | 832a38d8b |
15 | 4b10e4748 |
hex | 2d3c9761f |
12143130143 has 2 divisors, whose sum is σ = 12143130144. Its totient is φ = 12143130142.
The previous prime is 12143130133. The next prime is 12143130161. The reversal of 12143130143 is 34103134121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12143130143 - 218 = 12142867999 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12143130113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071565071 + 6071565072.
It is an arithmetic number, because the mean of its divisors is an integer number (6071565072).
Almost surely, 212143130143 is an apocalyptic number.
12143130143 is a deficient number, since it is larger than the sum of its proper divisors (1).
12143130143 is an equidigital number, since it uses as much as digits as its factorization.
12143130143 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 12143130143 its reverse (34103134121), we get a palindrome (46246264264).
The spelling of 12143130143 in words is "twelve billion, one hundred forty-three million, one hundred thirty thousand, one hundred forty-three".
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