Base | Representation |
---|---|
bin | 10001000100000… |
… | …10110010000011 |
3 | 100222100100221021 |
4 | 20202002302003 |
5 | 243121021034 |
6 | 22112010311 |
7 | 3355454446 |
oct | 1042026203 |
9 | 328310837 |
10 | 143142019 |
11 | 73888799 |
12 | 3bb30997 |
13 | 2386a527 |
14 | 1502165d |
15 | c8776b4 |
hex | 8882c83 |
143142019 has 2 divisors, whose sum is σ = 143142020. Its totient is φ = 143142018.
The previous prime is 143142007. The next prime is 143142047. The reversal of 143142019 is 910241341.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 143142019 - 213 = 143133827 is a prime.
It is a super-2 number, since 2×1431420192 = 40979275206792722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 143141984 and 143142002.
It is not a weakly prime, because it can be changed into another prime (143142059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71571009 + 71571010.
It is an arithmetic number, because the mean of its divisors is an integer number (71571010).
Almost surely, 2143142019 is an apocalyptic number.
143142019 is a deficient number, since it is larger than the sum of its proper divisors (1).
143142019 is an equidigital number, since it uses as much as digits as its factorization.
143142019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 143142019 is about 11964.1973821899. The cubic root of 143142019 is about 523.1052108199.
The spelling of 143142019 in words is "one hundred forty-three million, one hundred forty-two thousand, nineteen".
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