Base | Representation |
---|---|
bin | 11010011011001011… |
… | …010011111010000110 |
3 | 2201020101020210120210 |
4 | 122123023103322012 |
5 | 431102022044012 |
6 | 21011240540250 |
7 | 2023054352460 |
oct | 323313237206 |
9 | 81211223523 |
10 | 28373237382 |
11 | 1103aa53216 |
12 | 55ba181686 |
13 | 28a234ba79 |
14 | 1532389130 |
15 | b10de023c |
hex | 69b2d3e86 |
28373237382 has 64 divisors (see below), whose sum is σ = 67065790464. Its totient is φ = 7830997920.
The previous prime is 28373237357. The next prime is 28373237423.
28373237382 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 713673 + ... + 752379.
It is an arithmetic number, because the mean of its divisors is an integer number (1047902976).
Almost surely, 228373237382 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28373237382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33532895232).
28373237382 is an abundant number, since it is smaller than the sum of its proper divisors (38692553082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28373237382 is a wasteful number, since it uses less digits than its factorization.
28373237382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39313.
The product of its digits is 2032128, while the sum is 48.
The spelling of 28373237382 in words is "twenty-eight billion, three hundred seventy-three million, two hundred thirty-seven thousand, three hundred eighty-two".
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