Base | Representation |
---|---|
bin | 10000111100010… |
… | …11110001111011 |
3 | 100220102222010011 |
4 | 20132023301323 |
5 | 242341132144 |
6 | 22034202351 |
7 | 3344042023 |
oct | 1036136173 |
9 | 326388104 |
10 | 142130299 |
11 | 73257663 |
12 | 3b7233b7 |
13 | 235a4b8c |
14 | 14c3aa83 |
15 | c727a34 |
hex | 878bc7b |
142130299 has 2 divisors, whose sum is σ = 142130300. Its totient is φ = 142130298.
The previous prime is 142130297. The next prime is 142130309. The reversal of 142130299 is 992031241.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 142130299 - 21 = 142130297 is a prime.
Together with 142130297, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 142130299.
It is not a weakly prime, because it can be changed into another prime (142130291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71065149 + 71065150.
It is an arithmetic number, because the mean of its divisors is an integer number (71065150).
Almost surely, 2142130299 is an apocalyptic number.
142130299 is a deficient number, since it is larger than the sum of its proper divisors (1).
142130299 is an equidigital number, since it uses as much as digits as its factorization.
142130299 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 142130299 is about 11921.8412587989. The cubic root of 142130299 is about 521.8698694035.
The spelling of 142130299 in words is "one hundred forty-two million, one hundred thirty thousand, two hundred ninety-nine".
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