Base | Representation |
---|---|
bin | 100000001101110… |
… | …1100001011101100 |
3 | 2210100002112011101 |
4 | 1000123230023230 |
5 | 4203214010214 |
6 | 255133332444 |
7 | 35534232331 |
oct | 10033541354 |
9 | 2710075141 |
10 | 1081000684 |
11 | 5052188a5 |
12 | 262037124 |
13 | 142c5ab9a |
14 | a37d4988 |
15 | 64d81774 |
hex | 406ec2ec |
1081000684 has 6 divisors (see below), whose sum is σ = 1891751204. Its totient is φ = 540500340.
The previous prime is 1081000681. The next prime is 1081000691. The reversal of 1081000684 is 4860001801.
It is not an unprimeable number, because it can be changed into a prime (1081000681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135125082 + ... + 135125089.
Almost surely, 21081000684 is an apocalyptic number.
It is an amenable number.
1081000684 is a deficient number, since it is larger than the sum of its proper divisors (810750520).
1081000684 is a wasteful number, since it uses less digits than its factorization.
1081000684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270250175 (or 270250173 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 1081000684 is about 32878.5748474596. The cubic root of 1081000684 is about 1026.3023489967.
The spelling of 1081000684 in words is "one billion, eighty-one million, six hundred eighty-four", and thus it is an aban number.
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