Base | Representation |
---|---|
bin | 1000010100001011111… |
… | …1000100000110100001 |
3 | 111122202000001120020221 |
4 | 2011002333010012201 |
5 | 4320033040431042 |
6 | 145343345203041 |
7 | 13215101554513 |
oct | 2050277040641 |
9 | 448660046227 |
10 | 142857748897 |
11 | 55649525196 |
12 | 2382a930481 |
13 | 1061895b686 |
14 | 6cb2da5bb3 |
15 | 3ab1a66d67 |
hex | 2142fc41a1 |
142857748897 has 2 divisors, whose sum is σ = 142857748898. Its totient is φ = 142857748896.
The previous prime is 142857748823. The next prime is 142857748903. The reversal of 142857748897 is 798847758241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 79876325376 + 62981423521 = 282624^2 + 250961^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142857748897 is a prime.
It is not a weakly prime, because it can be changed into another prime (142857748697) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71428874448 + 71428874449.
It is an arithmetic number, because the mean of its divisors is an integer number (71428874449).
Almost surely, 2142857748897 is an apocalyptic number.
It is an amenable number.
142857748897 is a deficient number, since it is larger than the sum of its proper divisors (1).
142857748897 is an equidigital number, since it uses as much as digits as its factorization.
142857748897 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 252887040, while the sum is 70.
The spelling of 142857748897 in words is "one hundred forty-two billion, eight hundred fifty-seven million, seven hundred forty-eight thousand, eight hundred ninety-seven".
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