Base | Representation |
---|---|
bin | 10000111011100… |
… | …10100000100111 |
3 | 100220020201010112 |
4 | 20131302200213 |
5 | 242324324131 |
6 | 22032043235 |
7 | 3343131164 |
oct | 1035624047 |
9 | 326221115 |
10 | 142026791 |
11 | 73196915 |
12 | 3b69351b |
13 | 23569a2a |
14 | 14c1106b |
15 | c70702b |
hex | 8772827 |
142026791 has 2 divisors, whose sum is σ = 142026792. Its totient is φ = 142026790.
The previous prime is 142026763. The next prime is 142026793. The reversal of 142026791 is 197620241.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 142026791 - 218 = 141764647 is a prime.
Together with 142026793, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142026793) 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, 71013395 + 71013396.
It is an arithmetic number, because the mean of its divisors is an integer number (71013396).
Almost surely, 2142026791 is an apocalyptic number.
142026791 is a deficient number, since it is larger than the sum of its proper divisors (1).
142026791 is an equidigital number, since it uses as much as digits as its factorization.
142026791 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 142026791 is about 11917.4993601846. The cubic root of 142026791 is about 521.7431527565.
The spelling of 142026791 in words is "one hundred forty-two million, twenty-six thousand, seven hundred ninety-one".
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