Base | Representation |
---|---|
bin | 1111000011011000… |
… | …10110101010100100 |
3 | 202212012201010002011 |
4 | 13201230112222210 |
5 | 113022323434233 |
6 | 3413525524004 |
7 | 404160226252 |
oct | 74154265244 |
9 | 22765633064 |
10 | 8081468068 |
11 | 3477861633 |
12 | 1696573604 |
13 | 9ba39878b |
14 | 5694335d2 |
15 | 32473e0cd |
hex | 1e1b16aa4 |
8081468068 has 12 divisors (see below), whose sum is σ = 14301475020. Its totient is φ = 3995332352.
The previous prime is 8081468053. The next prime is 8081468069. The reversal of 8081468068 is 8608641808.
It can be written as a sum of positive squares in 2 ways, for example, as 924646464 + 7156821604 = 30408^2 + 84598^2 .
It is a super-2 number, since 2×80814680682 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8081468069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11350021 + ... + 11350732.
It is an arithmetic number, because the mean of its divisors is an integer number (1191789585).
Almost surely, 28081468068 is an apocalyptic number.
It is an amenable number.
8081468068 is a deficient number, since it is larger than the sum of its proper divisors (6220006952).
8081468068 is a wasteful number, since it uses less digits than its factorization.
8081468068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22700846 (or 22700844 counting only the distinct ones).
The product of its (nonzero) digits is 589824, while the sum is 49.
The square root of 8081468068 is about 89896.9858671580. The cubic root of 8081468068 is about 2006.7660898680.
The spelling of 8081468068 in words is "eight billion, eighty-one million, four hundred sixty-eight thousand, sixty-eight".
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