Base | Representation |
---|---|
bin | 10001000011010… |
… | …10011000100111 |
3 | 100222011021212002 |
4 | 20201222120213 |
5 | 243104321322 |
6 | 22105515515 |
7 | 3354560216 |
oct | 1041523047 |
9 | 328137762 |
10 | 143042087 |
11 | 7381a701 |
12 | 3baa2b9b |
13 | 23833bb6 |
14 | 14dd707d |
15 | c857c92 |
hex | 886a627 |
143042087 has 2 divisors, whose sum is σ = 143042088. Its totient is φ = 143042086.
The previous prime is 143042077. The next prime is 143042099. The reversal of 143042087 is 780240341.
It is a weak prime.
It is an emirp because it is prime and its reverse (780240341) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 143042087 - 212 = 143037991 is a prime.
It is a super-2 number, since 2×1430420872 = 40922077306631138, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (143042047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71521043 + 71521044.
It is an arithmetic number, because the mean of its divisors is an integer number (71521044).
Almost surely, 2143042087 is an apocalyptic number.
143042087 is a deficient number, since it is larger than the sum of its proper divisors (1).
143042087 is an equidigital number, since it uses as much as digits as its factorization.
143042087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 143042087 is about 11960.0203595144. The cubic root of 143042087 is about 522.9834503475.
The spelling of 143042087 in words is "one hundred forty-three million, forty-two thousand, eighty-seven".
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