Base | Representation |
---|---|
bin | 111011110101010… |
… | …1100110010101101 |
3 | 12011220210211020210 |
4 | 1313222230302231 |
5 | 13102431312341 |
6 | 531115333033 |
7 | 100516005636 |
oct | 16752546255 |
9 | 5156724223 |
10 | 2007682221 |
11 | 940314406 |
12 | 480451179 |
13 | 25cc36c5c |
14 | 1508d888d |
15 | bb3cdc16 |
hex | 77aaccad |
2007682221 has 16 divisors (see below), whose sum is σ = 2768486400. Its totient is φ = 1293387888.
The previous prime is 2007682207. The next prime is 2007682231. The reversal of 2007682221 is 1222867002.
It is not a de Polignac number, because 2007682221 - 25 = 2007682189 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2007682231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78981 + ... + 101258.
It is an arithmetic number, because the mean of its divisors is an integer number (173030400).
Almost surely, 22007682221 is an apocalyptic number.
It is an amenable number.
2007682221 is a deficient number, since it is larger than the sum of its proper divisors (760804179).
2007682221 is a wasteful number, since it uses less digits than its factorization.
2007682221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180368.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 2007682221 is about 44807.1670717978. The cubic root of 2007682221 is about 1261.5321541671.
The spelling of 2007682221 in words is "two billion, seven million, six hundred eighty-two thousand, two hundred twenty-one".
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