Base | Representation |
---|---|
bin | 1000011111011… |
… | …10001000111011 |
3 | 11222000212012120 |
4 | 10033232020323 |
5 | 121213330021 |
6 | 11022412323 |
7 | 1523305446 |
oct | 417561073 |
9 | 158025176 |
10 | 71230011 |
11 | 37231186 |
12 | 1ba310a3 |
13 | 119ac648 |
14 | 966265d |
15 | 63c02c6 |
hex | 43ee23b |
71230011 has 8 divisors (see below), whose sum is σ = 99102720. Its totient is φ = 45421992.
The previous prime is 71230001. The next prime is 71230043. The reversal of 71230011 is 11003217.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71230011 - 25 = 71229979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (71230001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516091 + ... + 516228.
It is an arithmetic number, because the mean of its divisors is an integer number (12387840).
Almost surely, 271230011 is an apocalyptic number.
71230011 is a deficient number, since it is larger than the sum of its proper divisors (27872709).
71230011 is a wasteful number, since it uses less digits than its factorization.
71230011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1032345.
The product of its (nonzero) digits is 42, while the sum is 15.
The square root of 71230011 is about 8439.7873788384. The cubic root of 71230011 is about 414.5284448858.
Adding to 71230011 its reverse (11003217), we get a palindrome (82233228).
The spelling of 71230011 in words is "seventy-one million, two hundred thirty thousand, eleven".
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