| Base | Representation |
|---|---|
| bin | 111110111100101… |
| … | …1101000011010000 |
| 3 | 12110012111112210112 |
| 4 | 1331321131003100 |
| 5 | 13311211310300 |
| 6 | 545332020452 |
| 7 | 103225341656 |
| oct | 17571350320 |
| 9 | 5405445715 |
| 10 | 2112213200 |
| 11 | 994320049 |
| 12 | 4ab461728 |
| 13 | 2787a5bc6 |
| 14 | 160748dd6 |
| 15 | c567ae35 |
| hex | 7de5d0d0 |
2112213200 has 60 divisors (see below), whose sum is σ = 5114672640. Its totient is φ = 838212480.
The previous prime is 2112213197. The next prime is 2112213203. The reversal of 2112213200 is 23122112.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2112213197) and next prime (2112213203).
It is a super-2 number, since 2×21122132002 = 8922889204508480000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112213203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30011 + ... + 71589.
It is an arithmetic number, because the mean of its divisors is an integer number (85244544).
Almost surely, 22112213200 is an apocalyptic number.
2112213200 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 2112213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557336320).
2112213200 is an abundant number, since it is smaller than the sum of its proper divisors (3002459440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112213200 is a wasteful number, since it uses less digits than its factorization.
2112213200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41724 (or 41713 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2112213200 is about 45958.8206985340. The cubic root of 2112213200 is about 1283.0569026618.
Adding to 2112213200 its reverse (23122112), we get a palindrome (2135335312).
The spelling of 2112213200 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, two hundred".
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