Base | Representation |
---|---|
bin | 10001000100000… |
… | …11110011101011 |
3 | 100222100120200211 |
4 | 20202003303223 |
5 | 243121134334 |
6 | 22112041551 |
7 | 3355502626 |
oct | 1042036353 |
9 | 328316624 |
10 | 143146219 |
11 | 73890967 |
12 | 3bb332b7 |
13 | 2386c408 |
14 | 15022dbd |
15 | c878a64 |
hex | 8883ceb |
143146219 has 2 divisors, whose sum is σ = 143146220. Its totient is φ = 143146218.
The previous prime is 143146217. The next prime is 143146249. The reversal of 143146219 is 912641341.
It is a weak prime.
It is an emirp because it is prime and its reverse (912641341) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 143146219 - 21 = 143146217 is a prime.
It is a super-2 number, since 2×1431462192 = 40981680027991922, which contains 22 as substring.
Together with 143146217, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (143146217) 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, 71573109 + 71573110.
It is an arithmetic number, because the mean of its divisors is an integer number (71573110).
Almost surely, 2143146219 is an apocalyptic number.
143146219 is a deficient number, since it is larger than the sum of its proper divisors (1).
143146219 is an equidigital number, since it uses as much as digits as its factorization.
143146219 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5184, while the sum is 31.
The square root of 143146219 is about 11964.3729045863. The cubic root of 143146219 is about 523.1103269985.
The spelling of 143146219 in words is "one hundred forty-three million, one hundred forty-six thousand, two hundred nineteen".
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