Base | Representation |
---|---|
bin | 1110111010000001… |
… | …10011011111011100 |
3 | 202122201221121212002 |
4 | 13131000303133130 |
5 | 112342223133230 |
6 | 3402042501432 |
7 | 402214615106 |
oct | 73500633734 |
9 | 22581847762 |
10 | 8002942940 |
11 | 34374a8533 |
12 | 1674204878 |
13 | 9a70337c5 |
14 | 55cc32576 |
15 | 31c8cc545 |
hex | 1dd0337dc |
8002942940 has 24 divisors (see below), whose sum is σ = 16833892992. Its totient is φ = 3195898560.
The previous prime is 8002942939. The next prime is 8002942949. The reversal of 8002942940 is 492492008.
It is a junction number, because it is equal to n+sod(n) for n = 8002942894 and 8002942903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8002942949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317471 + ... + 341750.
It is an arithmetic number, because the mean of its divisors is an integer number (701412208).
Almost surely, 28002942940 is an apocalyptic number.
It is an amenable number.
8002942940 is an abundant number, since it is smaller than the sum of its proper divisors (8830950052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8002942940 is a wasteful number, since it uses less digits than its factorization.
8002942940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 659837 (or 659835 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 8002942940 is about 89459.1691220078. The cubic root of 8002942940 is about 2000.2452149336.
The spelling of 8002942940 in words is "eight billion, two million, nine hundred forty-two thousand, nine hundred forty".
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