Base | Representation |
---|---|
bin | 10000111100011… |
… | …10001011111111 |
3 | 100220110110122100 |
4 | 20132032023333 |
5 | 242341441114 |
6 | 22034320143 |
7 | 3344112540 |
oct | 1036161377 |
9 | 326413570 |
10 | 142140159 |
11 | 73264007 |
12 | 3b729053 |
13 | 235a9505 |
14 | 14c404c7 |
15 | c72a909 |
hex | 878e2ff |
142140159 has 24 divisors (see below), whose sum is σ = 246995840. Its totient is φ = 76947408.
The previous prime is 142140151. The next prime is 142140169. The reversal of 142140159 is 951041241.
It is not a de Polignac number, because 142140159 - 23 = 142140151 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142140151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58177 + ... + 60570.
Almost surely, 2142140159 is an apocalyptic number.
142140159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
142140159 is a deficient number, since it is larger than the sum of its proper divisors (104855681).
142140159 is a wasteful number, since it uses less digits than its factorization.
142140159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118779 (or 118776 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 142140159 is about 11922.2547783546. The cubic root of 142140159 is about 521.8819370108.
The spelling of 142140159 in words is "one hundred forty-two million, one hundred forty thousand, one hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •