Base | Representation |
---|---|
bin | 1010110000011000… |
… | …1100111110000000 |
3 | 21110012222101210100 |
4 | 2230012030332000 |
5 | 21403122312021 |
6 | 1154301002400 |
7 | 131356464030 |
oct | 25406147600 |
9 | 7405871710 |
10 | 2887307136 |
11 | 125189a64a |
12 | 686b53400 |
13 | 37024857c |
14 | 1d566d8c0 |
15 | 11d733626 |
hex | ac18cf80 |
2887307136 has 192 divisors, whose sum is σ = 9753101280. Its totient is φ = 802566144.
The previous prime is 2887307123. The next prime is 2887307161. The reversal of 2887307136 is 6317037882.
It is a tau number, because it is divible by the number of its divisors (192).
It is a junction number, because it is equal to n+sod(n) for n = 2887307091 and 2887307100.
It is a congruent number.
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, 293530 + ... + 303206.
Almost surely, 22887307136 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2887307136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4876550640).
2887307136 is an abundant number, since it is smaller than the sum of its proper divisors (6865794144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2887307136 is a wasteful number, since it uses less digits than its factorization.
2887307136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9741 (or 9726 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 45.
The square root of 2887307136 is about 53733.6685514771. The cubic root of 2887307136 is about 1423.9595788720.
The spelling of 2887307136 in words is "two billion, eight hundred eighty-seven million, three hundred seven thousand, one hundred thirty-six".
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