Base | Representation |
---|---|
bin | 10000010000011111… |
… | …01110101011100100 |
3 | 211112021210100022210 |
4 | 20020033232223210 |
5 | 120333414310214 |
6 | 4002033123420 |
7 | 426203055612 |
oct | 101017565344 |
9 | 24467710283 |
10 | 8728275684 |
11 | 377997a787 |
12 | 18370b9570 |
13 | a913a268b |
14 | 5cb2c26b2 |
15 | 361405b59 |
hex | 2083eeae4 |
8728275684 has 48 divisors (see below), whose sum is σ = 20960835840. Its totient is φ = 2825634720.
The previous prime is 8728275659. The next prime is 8728275697. The reversal of 8728275684 is 4865728278.
It is a super-3 number, since 3×87282756843 (a number of 31 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15502 + ... + 133029.
It is an arithmetic number, because the mean of its divisors is an integer number (436684080).
Almost surely, 28728275684 is an apocalyptic number.
It is an amenable number.
8728275684 is an abundant number, since it is smaller than the sum of its proper divisors (12232560156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8728275684 is a wasteful number, since it uses less digits than its factorization.
8728275684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148680 (or 148678 counting only the distinct ones).
The product of its digits is 12042240, while the sum is 57.
The square root of 8728275684 is about 93425.2411503444. The cubic root of 8728275684 is about 2058.9358631863.
The spelling of 8728275684 in words is "eight billion, seven hundred twenty-eight million, two hundred seventy-five thousand, six hundred eighty-four".
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