Base | Representation |
---|---|
bin | 1000010000010111… |
… | …1101000011110011 |
3 | 12201110002020212000 |
4 | 2010011331003303 |
5 | 14014313401311 |
6 | 1003523505043 |
7 | 105626664300 |
oct | 20405750363 |
9 | 5643066760 |
10 | 2216153331 |
11 | a37a62887 |
12 | 51a228183 |
13 | 294198c42 |
14 | 1704840a7 |
15 | ce85d056 |
hex | 8417d0f3 |
2216153331 has 96 divisors (see below), whose sum is σ = 4056940800. Its totient is φ = 1188794880.
The previous prime is 2216153299. The next prime is 2216153333. The reversal of 2216153331 is 1333516122.
2216153331 is a `hidden beast` number, since 221 + 61 + 53 + 331 = 666.
It is not a de Polignac number, because 2216153331 - 25 = 2216153299 is a prime.
It is a super-2 number, since 2×22161533312 = 9822671173004791122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2216153295 and 2216153304.
It is not an unprimeable number, because it can be changed into a prime (2216153333) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3292611 + ... + 3293283.
It is an arithmetic number, because the mean of its divisors is an integer number (42259800).
It is a self-describing number.
Almost surely, 22216153331 is an apocalyptic number.
2216153331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2216153331 is a deficient number, since it is larger than the sum of its proper divisors (1840787469).
2216153331 is a wasteful number, since it uses less digits than its factorization.
2216153331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 846 (or 833 counting only the distinct ones).
The product of its digits is 3240, while the sum is 27.
The square root of 2216153331 is about 47076.0377580782. The cubic root of 2216153331 is about 1303.7668520261.
Adding to 2216153331 its reverse (1333516122), we get a palindrome (3549669453).
The spelling of 2216153331 in words is "two billion, two hundred sixteen million, one hundred fifty-three thousand, three hundred thirty-one".
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