Base | Representation |
---|---|
bin | 1111000010010001… |
… | …11011111110000000 |
3 | 202211120020102021221 |
4 | 13201020323332000 |
5 | 113012434334210 |
6 | 3412554524424 |
7 | 404015300131 |
oct | 74110737600 |
9 | 22746212257 |
10 | 8072183680 |
11 | 34725a0090 |
12 | 1693436714 |
13 | 9b8497862 |
14 | 5680d7c88 |
15 | 323a081da |
hex | 1e123bf80 |
8072183680 has 128 divisors (see below), whose sum is σ = 21398139360. Its totient is φ = 2887065600.
The previous prime is 8072183641. The next prime is 8072183701. The reversal of 8072183680 is 863812708.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
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, 420042 + ... + 438838.
Almost surely, 28072183680 is an apocalyptic number.
8072183680 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 8072183680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10699069680).
8072183680 is an abundant number, since it is smaller than the sum of its proper divisors (13325955680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8072183680 is a wasteful number, since it uses less digits than its factorization.
8072183680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18888 (or 18876 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 43.
The square root of 8072183680 is about 89845.3319878111. The cubic root of 8072183680 is about 2005.9973048581.
The spelling of 8072183680 in words is "eight billion, seventy-two million, one hundred eighty-three thousand, six hundred eighty".
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