Base | Representation |
---|---|
bin | 1001111111001101… |
… | …0111100001101000 |
3 | 20220211212002122200 |
4 | 2133303113201220 |
5 | 20442321334143 |
6 | 1122012020200 |
7 | 123303330015 |
oct | 23763274150 |
9 | 6824762580 |
10 | 2681043048 |
11 | 1156419362 |
12 | 629a61660 |
13 | 3395aa008 |
14 | 1b60da70c |
15 | 10a58d1d3 |
hex | 9fcd7868 |
2681043048 has 24 divisors (see below), whose sum is σ = 7261158450. Its totient is φ = 893680992.
The previous prime is 2681043019. The next prime is 2681043049. The reversal of 2681043048 is 8403401862.
It can be written as a sum of positive squares in only one way, i.e., 2352056004 + 328987044 = 48498^2 + 18138^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2681043049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18618283 + ... + 18618426.
Almost surely, 22681043048 is an apocalyptic number.
It is an amenable number.
2681043048 is an abundant number, since it is smaller than the sum of its proper divisors (4580115402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2681043048 is a wasteful number, since it uses less digits than its factorization.
2681043048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37236721 (or 37236714 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The square root of 2681043048 is about 51778.7895571150. The cubic root of 2681043048 is about 1389.2100903319.
The spelling of 2681043048 in words is "two billion, six hundred eighty-one million, forty-three thousand, forty-eight".
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