Base | Representation |
---|---|
bin | 111111101011110… |
… | …0000011111110000 |
3 | 12111220220011222200 |
4 | 1333113200133300 |
5 | 13334014300343 |
6 | 552012303200 |
7 | 103645041222 |
oct | 17727403760 |
9 | 5456804880 |
10 | 2136868848 |
11 | 9a7230214 |
12 | 4b7771b00 |
13 | 28092944a |
14 | 163b26412 |
15 | c78eb4d3 |
hex | 7f5e07f0 |
2136868848 has 60 divisors (see below), whose sum is σ = 6062216160. Its totient is φ = 702528768.
The previous prime is 2136868847. The next prime is 2136868861. The reversal of 2136868848 is 8488686312.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 2136868794 and 2136868803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2136868847) 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 11 ways as a sum of consecutive naturals, for example, 91128 + ... + 112151.
It is an arithmetic number, because the mean of its divisors is an integer number (101036936).
Almost surely, 22136868848 is an apocalyptic number.
It is an amenable number.
2136868848 is an abundant number, since it is smaller than the sum of its proper divisors (3925347312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2136868848 is a wasteful number, since it uses less digits than its factorization.
2136868848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203366 (or 203357 counting only the distinct ones).
The product of its digits is 3538944, while the sum is 54.
The square root of 2136868848 is about 46226.2787600300. The cubic root of 2136868848 is about 1288.0299332061.
The spelling of 2136868848 in words is "two billion, one hundred thirty-six million, eight hundred sixty-eight thousand, eight hundred forty-eight".
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