Base | Representation |
---|---|
bin | 10001000011101… |
… | …01000110111001 |
3 | 100222020112002211 |
4 | 20201311012321 |
5 | 243112223014 |
6 | 22110455121 |
7 | 3355132243 |
oct | 1041650671 |
9 | 328215084 |
10 | 143086009 |
11 | 7384a700 |
12 | 3bb044a1 |
13 | 2384aba1 |
14 | 15009093 |
15 | c865cc4 |
hex | 88751b9 |
143086009 has 12 divisors (see below), whose sum is σ = 157602340. Its totient is φ = 129808800.
The previous prime is 143086007. The next prime is 143086019. The reversal of 143086009 is 900680341.
It can be written as a sum of positive squares in 2 ways, for example, as 125888400 + 17197609 = 11220^2 + 4147^2 .
It is not a de Polignac number, because 143086009 - 21 = 143086007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143086007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79087 + ... + 80875.
Almost surely, 2143086009 is an apocalyptic number.
It is an amenable number.
143086009 is a deficient number, since it is larger than the sum of its proper divisors (14516331).
143086009 is a wasteful number, since it uses less digits than its factorization.
143086009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2472 (or 2461 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 143086009 is about 11961.8564194693. The cubic root of 143086009 is about 523.0369733558.
The spelling of 143086009 in words is "one hundred forty-three million, eighty-six thousand, nine".
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