Base | Representation |
---|---|
bin | 10001000011011… |
… | …01100010101011 |
3 | 100222011221121001 |
4 | 20201231202223 |
5 | 243110230034 |
6 | 22110055431 |
7 | 3354643012 |
oct | 1041554253 |
9 | 328157531 |
10 | 143055019 |
11 | 73829398 |
12 | 3baaa577 |
13 | 23839a53 |
14 | 14ddba79 |
15 | c85ba14 |
hex | 886d8ab |
143055019 has 2 divisors, whose sum is σ = 143055020. Its totient is φ = 143055018.
The previous prime is 143054993. The next prime is 143055037. The reversal of 143055019 is 910550341.
It is a strong prime.
It is an emirp because it is prime and its reverse (910550341) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 143055019 - 211 = 143052971 is a prime.
It is a super-2 number, since 2×1430550192 = 40929476922180722, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (143055089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71527509 + 71527510.
It is an arithmetic number, because the mean of its divisors is an integer number (71527510).
Almost surely, 2143055019 is an apocalyptic number.
143055019 is a deficient number, since it is larger than the sum of its proper divisors (1).
143055019 is an equidigital number, since it uses as much as digits as its factorization.
143055019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2700, while the sum is 28.
The square root of 143055019 is about 11960.5609818269. The cubic root of 143055019 is about 522.9992103202. Note that the first 3 decimals are identical.
The spelling of 143055019 in words is "one hundred forty-three million, fifty-five thousand, nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •