Base | Representation |
---|---|
bin | 10001000101001… |
… | …11101001011011 |
3 | 100222122001001212 |
4 | 20202213221123 |
5 | 243140334034 |
6 | 22115133335 |
7 | 3356653622 |
oct | 1042475133 |
9 | 328561055 |
10 | 143293019 |
11 | 73981191 |
12 | 3bba424b |
13 | 238c118c |
14 | 150606b9 |
15 | c8a72ce |
hex | 88a7a5b |
143293019 has 2 divisors, whose sum is σ = 143293020. Its totient is φ = 143293018.
The previous prime is 143293001. The next prime is 143293027. The reversal of 143293019 is 910392341.
143293019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 143293019 - 28 = 143292763 is a prime.
It is a super-2 number, since 2×1432930192 = 41065778588268722, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (143293919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71646509 + 71646510.
It is an arithmetic number, because the mean of its divisors is an integer number (71646510).
Almost surely, 2143293019 is an apocalyptic number.
143293019 is a deficient number, since it is larger than the sum of its proper divisors (1).
143293019 is an equidigital number, since it uses as much as digits as its factorization.
143293019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 143293019 is about 11970.5062131891. The cubic root of 143293019 is about 523.2890867790.
The spelling of 143293019 in words is "one hundred forty-three million, two hundred ninety-three thousand, nineteen".
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