Base | Representation |
---|---|
bin | 1000110111110110… |
… | …1001101000100000 |
3 | 20010222200101002100 |
4 | 2031331221220200 |
5 | 14334211430033 |
6 | 1032201050400 |
7 | 113010346650 |
oct | 21575515040 |
9 | 6128611070 |
10 | 2381748768 |
11 | 1012487113 |
12 | 565786a00 |
13 | 2bc5984c9 |
14 | 18846c360 |
15 | de16d513 |
hex | 8df69a20 |
2381748768 has 144 divisors (see below), whose sum is σ = 7887087936. Its totient is φ = 667630080.
The previous prime is 2381748749. The next prime is 2381748769. The reversal of 2381748768 is 8678471832.
It is a happy number.
2381748768 is a `hidden beast` number, since 23 + 81 + 7 + 487 + 68 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (2381748769) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95703 + ... + 117993.
It is an arithmetic number, because the mean of its divisors is an integer number (54771444).
Almost surely, 22381748768 is an apocalyptic number.
2381748768 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 2381748768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3943543968).
2381748768 is an abundant number, since it is smaller than the sum of its proper divisors (5505339168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2381748768 is a wasteful number, since it uses less digits than its factorization.
2381748768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22367 (or 22356 counting only the distinct ones).
The product of its digits is 3612672, while the sum is 54.
The square root of 2381748768 is about 48803.1635040189. The cubic root of 2381748768 is about 1335.4633782583.
The spelling of 2381748768 in words is "two billion, three hundred eighty-one million, seven hundred forty-eight thousand, seven hundred sixty-eight".
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