Base | Representation |
---|---|
bin | 10001000011000… |
… | …11010011011111 |
3 | 100222002211002000 |
4 | 20201203103133 |
5 | 243102404322 |
6 | 22105133343 |
7 | 3354406530 |
oct | 1041432337 |
9 | 328084060 |
10 | 143013087 |
11 | 737aa938 |
12 | 3ba8a253 |
13 | 23823939 |
14 | 14dca687 |
15 | c84e3ac |
hex | 88634df |
143013087 has 16 divisors (see below), whose sum is σ = 242138880. Its totient is φ = 81721656.
The previous prime is 143013083. The next prime is 143013179. The reversal of 143013087 is 780310341.
143013087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 143013087 - 22 = 143013083 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 143013087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143013083) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378153 + ... + 378530.
It is an arithmetic number, because the mean of its divisors is an integer number (15133680).
Almost surely, 2143013087 is an apocalyptic number.
143013087 is a deficient number, since it is larger than the sum of its proper divisors (99125793).
143013087 is an equidigital number, since it uses as much as digits as its factorization.
143013087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 756699 (or 756693 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 143013087 is about 11958.8079255417. The cubic root of 143013087 is about 522.9481051670.
The spelling of 143013087 in words is "one hundred forty-three million, thirteen thousand, eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •