Base | Representation |
---|---|
bin | 1111001001011111… |
… | …10110101100001000 |
3 | 202222210010211211121 |
4 | 13210233312230020 |
5 | 113123433423240 |
6 | 3423000205024 |
7 | 405351646060 |
oct | 74457665410 |
9 | 22883124747 |
10 | 8132717320 |
11 | 34a3785992 |
12 | 16ab769774 |
13 | 9c7ba0690 |
14 | 5721743a0 |
15 | 328eb404a |
hex | 1e4bf6b08 |
8132717320 has 128 divisors (see below), whose sum is σ = 23248189440. Its totient is φ = 2490808320.
The previous prime is 8132717297. The next prime is 8132717381. The reversal of 8132717320 is 237172318.
It is a happy number.
It is a super-2 number, since 2×81327173202 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76804 + ... + 148876.
It is an arithmetic number, because the mean of its divisors is an integer number (181626480).
Almost surely, 28132717320 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8132717320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11624094720).
8132717320 is an abundant number, since it is smaller than the sum of its proper divisors (15115472120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8132717320 is a wasteful number, since it uses less digits than its factorization.
8132717320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72135 (or 72131 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 8132717320 is about 90181.5797155938. The cubic root of 8132717320 is about 2010.9991748513. Note that the first 3 decimals are identical.
Adding to 8132717320 its reverse (237172318), we get a palindrome (8369889638).
The spelling of 8132717320 in words is "eight billion, one hundred thirty-two million, seven hundred seventeen thousand, three hundred twenty".
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