Base | Representation |
---|---|
bin | 1000001010111100… |
… | …0101101011110000 |
3 | 12122212020100122010 |
4 | 2002233011223300 |
5 | 13443001212003 |
6 | 1001351442520 |
7 | 105232304040 |
oct | 20257055360 |
9 | 5585210563 |
10 | 2193382128 |
11 | a2611a503 |
12 | 512686440 |
13 | 28c555362 |
14 | 16b437720 |
15 | cc861003 |
hex | 82bc5af0 |
2193382128 has 80 divisors (see below), whose sum is σ = 6500583936. Its totient is φ = 624272640.
The previous prime is 2193382123. The next prime is 2193382151. The reversal of 2193382128 is 8212833912.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2193382123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75958 + ... + 100778.
Almost surely, 22193382128 is an apocalyptic number.
2193382128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2193382128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250291968).
2193382128 is an abundant number, since it is smaller than the sum of its proper divisors (4307201808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2193382128 is a wasteful number, since it uses less digits than its factorization.
2193382128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25102 (or 25096 counting only the distinct ones).
The product of its digits is 41472, while the sum is 39.
The square root of 2193382128 is about 46833.5577123925. The cubic root of 2193382128 is about 1299.2860237262.
The spelling of 2193382128 in words is "two billion, one hundred ninety-three million, three hundred eighty-two thousand, one hundred twenty-eight".
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