Base | Representation |
---|---|
bin | 1010011011100100… |
… | …1001110000101011 |
3 | 21020010200201222022 |
4 | 2212321021300223 |
5 | 21213300000133 |
6 | 1141501415055 |
7 | 126246415301 |
oct | 24671116053 |
9 | 7203621868 |
10 | 2800000043 |
11 | 1207588525 |
12 | 66186a48b |
13 | 35812a279 |
14 | 1c7c24271 |
15 | 115c39998 |
hex | a6e49c2b |
2800000043 has 8 divisors (see below), whose sum is σ = 2860729920. Its totient is φ = 2739318400.
The previous prime is 2799999973. The next prime is 2800000051. The reversal of 2800000043 is 3400000082.
2800000043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2800000043 - 222 = 2795805739 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2799999967 and 2800000030.
It is not an unprimeable number, because it can be changed into a prime (2800000543) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121013 + ... + 142281.
It is an arithmetic number, because the mean of its divisors is an integer number (357591240).
Almost surely, 22800000043 is an apocalyptic number.
2800000043 is a deficient number, since it is larger than the sum of its proper divisors (60729877).
2800000043 is a wasteful number, since it uses less digits than its factorization.
2800000043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24117.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2800000043 is about 52915.0266276036. The cubic root of 2800000043 is about 1409.4597536281.
The spelling of 2800000043 in words is "two billion, eight hundred million, forty-three", and thus it is an aban number.
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