Base | Representation |
---|---|
bin | 1000000011000101… |
… | …1110101001000001 |
3 | 12120120021110000120 |
4 | 2000301132221001 |
5 | 13411034013314 |
6 | 554214010453 |
7 | 104352362214 |
oct | 20061365101 |
9 | 5516243016 |
10 | 2160454209 |
11 | a0957a251 |
12 | 503646a29 |
13 | 285796794 |
14 | 166d0577b |
15 | c9a098a9 |
hex | 80c5ea41 |
2160454209 has 8 divisors (see below), whose sum is σ = 2979936960. Its totient is φ = 1390637136.
The previous prime is 2160454207. The next prime is 2160454259. The reversal of 2160454209 is 9024540612.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2160454209 - 21 = 2160454207 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2160454209.
It is not an unprimeable number, because it can be changed into a prime (2160454207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12416317 + ... + 12416490.
It is an arithmetic number, because the mean of its divisors is an integer number (372492120).
Almost surely, 22160454209 is an apocalyptic number.
2160454209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2160454209 is a deficient number, since it is larger than the sum of its proper divisors (819482751).
2160454209 is a wasteful number, since it uses less digits than its factorization.
2160454209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24832839.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 2160454209 is about 46480.6864084428. The cubic root of 2160454209 is about 1292.7514154120.
The spelling of 2160454209 in words is "two billion, one hundred sixty million, four hundred fifty-four thousand, two hundred nine".
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