Base | Representation |
---|---|
bin | 10001000011111… |
… | …10011000100001 |
3 | 100222022110012221 |
4 | 20201332120201 |
5 | 243114432001 |
6 | 22111351041 |
7 | 3355351066 |
oct | 1041763041 |
9 | 328273187 |
10 | 143124001 |
11 | 738761a9 |
12 | 3bb22481 |
13 | 23862277 |
14 | 15018c6d |
15 | c8721a1 |
hex | 887e621 |
143124001 has 4 divisors (see below), whose sum is σ = 145139904. Its totient is φ = 141108100.
The previous prime is 143123999. The next prime is 143124011. The reversal of 143124001 is 100421341.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 143124001 - 21 = 143123999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (143124011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007845 + ... + 1007986.
It is an arithmetic number, because the mean of its divisors is an integer number (36284976).
Almost surely, 2143124001 is an apocalyptic number.
It is an amenable number.
143124001 is a deficient number, since it is larger than the sum of its proper divisors (2015903).
143124001 is an equidigital number, since it uses as much as digits as its factorization.
143124001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2015902.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 143124001 is about 11963.4443618884. Note that the first 3 decimals coincide. The cubic root of 143124001 is about 523.0832612781.
Adding to 143124001 its reverse (100421341), we get a palindrome (243545342).
The spelling of 143124001 in words is "one hundred forty-three million, one hundred twenty-four thousand, one".
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