Base | Representation |
---|---|
bin | 1110010100010101… |
… | …10011001101100000 |
3 | 201211201001200221220 |
4 | 13022022303031200 |
5 | 111220304434003 |
6 | 3310430415040 |
7 | 361325455224 |
oct | 71212631540 |
9 | 21751050856 |
10 | 7686796128 |
11 | 3294aa5780 |
12 | 15a6361480 |
13 | 9566a139b |
14 | 52cc58784 |
15 | 2eec7e353 |
hex | 1ca2b3360 |
7686796128 has 96 divisors (see below), whose sum is σ = 22064337792. Its totient is φ = 2323814400.
The previous prime is 7686796093. The next prime is 7686796129. The reversal of 7686796128 is 8216976867.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7686796129) 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, 448843 + ... + 465653.
It is an arithmetic number, because the mean of its divisors is an integer number (229836852).
Almost surely, 27686796128 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 7686796128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11032168896).
7686796128 is an abundant number, since it is smaller than the sum of its proper divisors (14377541664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7686796128 is a wasteful number, since it uses less digits than its factorization.
7686796128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17268 (or 17260 counting only the distinct ones).
The product of its digits is 12192768, while the sum is 60.
The square root of 7686796128 is about 87674.3755495299. The cubic root of 7686796128 is about 1973.5514563896.
The spelling of 7686796128 in words is "seven billion, six hundred eighty-six million, seven hundred ninety-six thousand, one hundred twenty-eight".
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