Base | Representation |
---|---|
bin | 1111001010101111… |
… | …10001111101000000 |
3 | 210000111211120222120 |
4 | 13211113301331000 |
5 | 113134123334210 |
6 | 3424012404240 |
7 | 405536630202 |
oct | 74527617500 |
9 | 23014746876 |
10 | 8143183680 |
11 | 34a9684475 |
12 | 16b3176680 |
13 | 9ca0c65a8 |
14 | 5736da772 |
15 | 329d80270 |
hex | 1e55f1f40 |
8143183680 has 112 divisors (see below), whose sum is σ = 25872887040. Its totient is φ = 2169980928.
The previous prime is 8143183667. The next prime is 8143183691. The reversal of 8143183680 is 863813418.
It is a super-2 number, since 2×81431836802 (a number of 21 digits) contains 22 as substring.
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, 2193666 + ... + 2197374.
It is an arithmetic number, because the mean of its divisors is an integer number (231007920).
Almost surely, 28143183680 is an apocalyptic number.
8143183680 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 8143183680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12936443520).
8143183680 is an abundant number, since it is smaller than the sum of its proper divisors (17729703360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8143183680 is a wasteful number, since it uses less digits than its factorization.
8143183680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6016 (or 6006 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 8143183680 is about 90239.5904246024. The cubic root of 8143183680 is about 2011.8614868276.
The spelling of 8143183680 in words is "eight billion, one hundred forty-three million, one hundred eighty-three thousand, six hundred eighty".
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