Base | Representation |
---|---|
bin | 100111011000111001… |
… | …110000100000101111 |
3 | 11001011112002211222211 |
4 | 213120321300200233 |
5 | 1143104143201411 |
6 | 31232433151251 |
7 | 3025035506242 |
oct | 473071604057 |
9 | 131145084884 |
10 | 42293725231 |
11 | 16a3378382a |
12 | 82440bb527 |
13 | 3cb033b624 |
14 | 2093085259 |
15 | 1178069221 |
hex | 9d8e7082f |
42293725231 has 2 divisors, whose sum is σ = 42293725232. Its totient is φ = 42293725230.
The previous prime is 42293725219. The next prime is 42293725273. The reversal of 42293725231 is 13252739224.
42293725231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 42293725231 - 29 = 42293724719 is a prime.
It is a super-2 number, since 2×422937252312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42293725031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21146862615 + 21146862616.
It is an arithmetic number, because the mean of its divisors is an integer number (21146862616).
Almost surely, 242293725231 is an apocalyptic number.
42293725231 is a deficient number, since it is larger than the sum of its proper divisors (1).
42293725231 is an equidigital number, since it uses as much as digits as its factorization.
42293725231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 181440, while the sum is 40.
The spelling of 42293725231 in words is "forty-two billion, two hundred ninety-three million, seven hundred twenty-five thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •