Base | Representation |
---|---|
bin | 100001001001111011… |
… | …0011100101011001000 |
3 | 20210210001100210101102 |
4 | 1002103312130223020 |
5 | 2131304200010322 |
6 | 52413035040532 |
7 | 5100255010001 |
oct | 1022366345310 |
9 | 223701323342 |
10 | 71200000712 |
11 | 282175a93a5 |
12 | 119708a0148 |
13 | 6938c3c249 |
14 | 36361461a8 |
15 | 1cbab4b792 |
hex | 1093d9cac8 |
71200000712 has 32 divisors (see below), whose sum is σ = 142941202200. Its totient is φ = 33129406464.
The previous prime is 71200000709. The next prime is 71200000717. The reversal of 71200000712 is 21700000217.
It can be written as a sum of positive squares in 4 ways, for example, as 66385583716 + 4814416996 = 257654^2 + 69386^2 .
It is not an unprimeable number, because it can be changed into a prime (71200000717) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929073 + ... + 2953280.
Almost surely, 271200000712 is an apocalyptic number.
It is an amenable number.
71200000712 is an abundant number, since it is smaller than the sum of its proper divisors (71741201488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71200000712 is a wasteful number, since it uses less digits than its factorization.
71200000712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5882465 (or 5882461 counting only the distinct ones).
The product of its (nonzero) digits is 196, while the sum is 20.
Adding to 71200000712 its reverse (21700000217), we get a palindrome (92900000929).
The spelling of 71200000712 in words is "seventy-one billion, two hundred million, seven hundred twelve", and thus it is an aban number.
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