Base | Representation |
---|---|
bin | 1101010000001111… |
… | …00011101100000000 |
3 | 200100220002220111020 |
4 | 12220013203230000 |
5 | 104033033131033 |
6 | 3134022145440 |
7 | 341220633336 |
oct | 65007435400 |
9 | 20326086436 |
10 | 7115520768 |
11 | 3021587084 |
12 | 1466b82280 |
13 | 895222125 |
14 | 4b702bb56 |
15 | 2b9a376b3 |
hex | 1a81e3b00 |
7115520768 has 144 divisors (see below), whose sum is σ = 19631818752. Its totient is φ = 2287948800.
The previous prime is 7115520743. The next prime is 7115520781. The reversal of 7115520768 is 8670255117.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22879333 + ... + 22879643.
Almost surely, 27115520768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7115520768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9815909376).
7115520768 is an abundant number, since it is smaller than the sum of its proper divisors (12516297984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7115520768 is an frugal number, since it uses more digits than its factorization.
7115520768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 423 (or 347 counting only the distinct ones).
The product of its (nonzero) digits is 117600, while the sum is 42.
The square root of 7115520768 is about 84353.5462680734. The cubic root of 7115520768 is about 1923.3968340524.
The spelling of 7115520768 in words is "seven billion, one hundred fifteen million, five hundred twenty thousand, seven hundred sixty-eight".
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