| Base | Representation |
|---|---|
| bin | 111110111100111… |
| … | …0111111000011100 |
| 3 | 12110012201010112220 |
| 4 | 1331321313320130 |
| 5 | 13311223314400 |
| 6 | 545334225340 |
| 7 | 103226310246 |
| oct | 17571677034 |
| 9 | 5405633486 |
| 10 | 2112323100 |
| 11 | 994395678 |
| 12 | 4ab4b5250 |
| 13 | 278813c34 |
| 14 | 160777096 |
| 15 | c569d7a0 |
| hex | 7de77e1c |
2112323100 has 144 divisors (see below), whose sum is σ = 6812064000. Its totient is φ = 502225920.
The previous prime is 2112323089. The next prime is 2112323107. The reversal of 2112323100 is 13232112.
It is a super-2 number, since 2×21123231002 = 8923817757587220000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2112323100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112323107) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86001 + ... + 107799.
It is an arithmetic number, because the mean of its divisors is an integer number (47306000).
Almost surely, 22112323100 is an apocalyptic number.
2112323100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2112323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406032000).
2112323100 is an abundant number, since it is smaller than the sum of its proper divisors (4699740900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112323100 is a wasteful number, since it uses less digits than its factorization.
2112323100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21852 (or 21845 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2112323100 is about 45960.0163185350. The cubic root of 2112323100 is about 1283.0791550727.
Adding to 2112323100 its reverse (13232112), we get a palindrome (2125555212).
The spelling of 2112323100 in words is "two billion, one hundred twelve million, three hundred twenty-three thousand, one hundred".
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