Base | Representation |
---|---|
bin | 10001000001111… |
… | …01100100010001 |
3 | 100221210222001001 |
4 | 20200331210101 |
5 | 243032433023 |
6 | 22101542001 |
7 | 3353164060 |
oct | 1040754421 |
9 | 327728031 |
10 | 142858513 |
11 | 73704796 |
12 | 3ba14901 |
13 | 2379b485 |
14 | 14d8a1d7 |
15 | c81d6ad |
hex | 883d911 |
142858513 has 16 divisors (see below), whose sum is σ = 168385536. Its totient is φ = 118656720.
The previous prime is 142858493. The next prime is 142858519. The reversal of 142858513 is 315858241.
It is not a de Polignac number, because 142858513 - 213 = 142850321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142858519) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37620 + ... + 41242.
It is an arithmetic number, because the mean of its divisors is an integer number (10524096).
Almost surely, 2142858513 is an apocalyptic number.
It is an amenable number.
142858513 is a deficient number, since it is larger than the sum of its proper divisors (25527023).
142858513 is a wasteful number, since it uses less digits than its factorization.
142858513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3804.
The product of its digits is 38400, while the sum is 37.
The square root of 142858513 is about 11952.3434103945. The cubic root of 142858513 is about 522.7596298266.
The spelling of 142858513 in words is "one hundred forty-two million, eight hundred fifty-eight thousand, five hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •