Base | Representation |
---|---|
bin | 111110110100110… |
… | …1000101010010111 |
3 | 12102220200212112101 |
4 | 1331221220222113 |
5 | 13304131111310 |
6 | 545103102531 |
7 | 103145161225 |
oct | 17551505227 |
9 | 5386625471 |
10 | 2108066455 |
11 | 991a48590 |
12 | 4a9ba1a47 |
13 | 277983601 |
14 | 15dd89b15 |
15 | c510c43a |
hex | 7da68a97 |
2108066455 has 36 divisors (see below), whose sum is σ = 2847457368. Its totient is φ = 1485840000.
The previous prime is 2108066447. The next prime is 2108066459. The reversal of 2108066455 is 5546608012.
It is not a de Polignac number, because 2108066455 - 23 = 2108066447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2108066459) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13960630 + ... + 13960780.
It is an arithmetic number, because the mean of its divisors is an integer number (79096038).
Almost surely, 22108066455 is an apocalyptic number.
2108066455 is a deficient number, since it is larger than the sum of its proper divisors (739390913).
2108066455 is an equidigital number, since it uses as much as digits as its factorization.
2108066455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400 (or 208 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 37.
The square root of 2108066455 is about 45913.6848336092. The cubic root of 2108066455 is about 1282.2167104280.
The spelling of 2108066455 in words is "two billion, one hundred eight million, sixty-six thousand, four hundred fifty-five".
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