Base | Representation |
---|---|
bin | 110010000100011… |
… | …1111110010000001 |
3 | 11100002100220111020 |
4 | 1210020333302001 |
5 | 11420100030001 |
6 | 434413540053 |
7 | 56430305265 |
oct | 14410776201 |
9 | 4302326436 |
10 | 1680080001 |
11 | 7923a7a76 |
12 | 3aa7a4629 |
13 | 20a0c36a2 |
14 | 11d1bc0a5 |
15 | 9c76b736 |
hex | 6423fc81 |
1680080001 has 16 divisors (see below), whose sum is σ = 2343575808. Its totient is φ = 1069481600.
The previous prime is 1680079991. The next prime is 1680080009. The reversal of 1680080001 is 1000800861.
It is a cyclic number.
It is not a de Polignac number, because 1680080001 - 214 = 1680063617 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1680080009) 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, 139530 + ... + 151091.
It is an arithmetic number, because the mean of its divisors is an integer number (146473488).
Almost surely, 21680080001 is an apocalyptic number.
It is an amenable number.
1680080001 is a deficient number, since it is larger than the sum of its proper divisors (663495807).
1680080001 is a wasteful number, since it uses less digits than its factorization.
1680080001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290712.
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 1680080001 is about 40988.7789644922. The cubic root of 1680080001 is about 1188.8032600825.
Adding to 1680080001 its reverse (1000800861), we get a palindrome (2680880862).
The spelling of 1680080001 in words is "one billion, six hundred eighty million, eighty thousand, one".
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