Base | Representation |
---|---|
bin | 10000111100111… |
… | …01110111111011 |
3 | 100220120201210001 |
4 | 20132131313323 |
5 | 242401020121 |
6 | 22035533431 |
7 | 3344501056 |
oct | 1036356773 |
9 | 326521701 |
10 | 142204411 |
11 | 732a8308 |
12 | 3b75a277 |
13 | 235cc82b |
14 | 14c59a9d |
15 | c73e991 |
hex | 879ddfb |
142204411 has 2 divisors, whose sum is σ = 142204412. Its totient is φ = 142204410.
The previous prime is 142204399. The next prime is 142204421. The reversal of 142204411 is 114402241.
It is a strong prime.
It is an emirp because it is prime and its reverse (114402241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 142204411 - 227 = 7986683 is a prime.
It is not a weakly prime, because it can be changed into another prime (142204421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71102205 + 71102206.
It is an arithmetic number, because the mean of its divisors is an integer number (71102206).
Almost surely, 2142204411 is an apocalyptic number.
142204411 is a deficient number, since it is larger than the sum of its proper divisors (1).
142204411 is an equidigital number, since it uses as much as digits as its factorization.
142204411 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 142204411 is about 11924.9490984239. The cubic root of 142204411 is about 521.9605610657.
Adding to 142204411 its reverse (114402241), we get a palindrome (256606652).
The spelling of 142204411 in words is "one hundred forty-two million, two hundred four thousand, four hundred eleven".
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