Base | Representation |
---|---|
bin | 1000001010001000… |
… | …0101001001011100 |
3 | 12122121211002220022 |
4 | 2002202011021130 |
5 | 13441113101220 |
6 | 1001150411312 |
7 | 105161312123 |
oct | 20242051134 |
9 | 5577732808 |
10 | 2189972060 |
11 | a24200471 |
12 | 511500b38 |
13 | 28b930173 |
14 | 16abcaaba |
15 | cc3da925 |
hex | 8288525c |
2189972060 has 24 divisors (see below), whose sum is σ = 4747295616. Its totient is φ = 847730880.
The previous prime is 2189972047. The next prime is 2189972093. The reversal of 2189972060 is 602799812.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765487 + ... + 1766726.
It is an arithmetic number, because the mean of its divisors is an integer number (197803984).
Almost surely, 22189972060 is an apocalyptic number.
2189972060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2189972060 is an abundant number, since it is smaller than the sum of its proper divisors (2557323556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2189972060 is a wasteful number, since it uses less digits than its factorization.
2189972060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3532253 (or 3532251 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 2189972060 is about 46797.1373056088. The cubic root of 2189972060 is about 1298.6123378319.
The spelling of 2189972060 in words is "two billion, one hundred eighty-nine million, nine hundred seventy-two thousand, sixty".
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