Base | Representation |
---|---|
bin | 10000001001111101… |
… | …10000001010110000 |
3 | 211101110201010112200 |
4 | 20010332300022300 |
5 | 120230403244210 |
6 | 3552355023200 |
7 | 424636323405 |
oct | 100476601260 |
9 | 24343633480 |
10 | 8673493680 |
11 | 3750a631a5 |
12 | 182089ab00 |
13 | a82c317a7 |
14 | 5c3d022ac |
15 | 35b6d40c0 |
hex | 204fb02b0 |
8673493680 has 120 divisors (see below), whose sum is σ = 29148370992. Its totient is φ = 2311352832.
The previous prime is 8673493679. The next prime is 8673493691. The reversal of 8673493680 is 863943768.
8673493680 is a `hidden beast` number, since 8 + 6 + 73 + 493 + 6 + 80 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1369882 + ... + 1376198.
Almost surely, 28673493680 is an apocalyptic number.
8673493680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8673493680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14574185496).
8673493680 is an abundant number, since it is smaller than the sum of its proper divisors (20474877312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8673493680 is a wasteful number, since it uses less digits than its factorization.
8673493680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8243 (or 8234 counting only the distinct ones).
The product of its (nonzero) digits is 5225472, while the sum is 54.
The square root of 8673493680 is about 93131.5933504845. The cubic root of 8673493680 is about 2054.6192627616.
The spelling of 8673493680 in words is "eight billion, six hundred seventy-three million, four hundred ninety-three thousand, six hundred eighty".
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