Base | Representation |
---|---|
bin | 1010101100110010… |
… | …1010010000111110 |
3 | 21102011121000221120 |
4 | 2223030222100332 |
5 | 21340242112112 |
6 | 1153001411410 |
7 | 131114330232 |
oct | 25314522076 |
9 | 7364530846 |
10 | 2872222782 |
11 | 1244327540 |
12 | 681a99b66 |
13 | 36a096710 |
14 | 1d36645c2 |
15 | 11c253e8c |
hex | ab32a43e |
2872222782 has 64 divisors (see below), whose sum is σ = 6843916800. Its totient is φ = 792086400.
The previous prime is 2872222697. The next prime is 2872222783.
2872222782 is nontrivially palindromic in base 10.
2872222782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872222783) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37344 + ... + 84492.
It is an arithmetic number, because the mean of its divisors is an integer number (106936200).
Almost surely, 22872222782 is an apocalyptic number.
2872222782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2872222782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3421958400).
2872222782 is an abundant number, since it is smaller than the sum of its proper divisors (3971694018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2872222782 is a wasteful number, since it uses less digits than its factorization.
2872222782 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47249.
The product of its digits is 200704, while the sum is 42.
The square root of 2872222782 is about 53593.1225251897. The cubic root of 2872222782 is about 1421.4754851101.
The spelling of 2872222782 in words is "two billion, eight hundred seventy-two million, two hundred twenty-two thousand, seven hundred eighty-two".
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