Base | Representation |
---|---|
bin | 10111111011100001… |
… | …00111101100000100 |
3 | 1020011100111021000000 |
4 | 23331300213230010 |
5 | 202302403100331 |
6 | 5522454321300 |
7 | 633240244644 |
oct | 137560475404 |
9 | 36140437000 |
10 | 12847315716 |
11 | 54a2a7a4a4 |
12 | 25a6659230 |
13 | 1299873081 |
14 | 89c382524 |
15 | 502d420e6 |
hex | 2fdc27b04 |
12847315716 has 63 divisors (see below), whose sum is σ = 33724850551. Its totient is φ = 4280398344.
The previous prime is 12847315693. The next prime is 12847315717. The reversal of 12847315716 is 61751374821.
The square root of 12847315716 is 113346.
It is a perfect power (a square), and thus also a powerful number.
12847315716 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 73 + 1 + 571 + 6 = 666.
It is a super-2 number, since 2×128473157162 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12847315717) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 6119635 + ... + 6121733.
Almost surely, 212847315716 is an apocalyptic number.
12847315716 is the 113346-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12847315716
12847315716 is an abundant number, since it is smaller than the sum of its proper divisors (20877534835).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12847315716 is an frugal number, since it uses more digits than its factorization.
12847315716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4220 (or 2104 counting only the distinct ones).
The product of its digits is 282240, while the sum is 45.
The spelling of 12847315716 in words is "twelve billion, eight hundred forty-seven million, three hundred fifteen thousand, seven hundred sixteen".
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