| Base | Representation |
|---|---|
| bin | 111100010101010… |
| … | …100100011111000 |
| 3 | 2121112200012211010 |
| 4 | 330111110203320 |
| 5 | 4033112102300 |
| 6 | 244235233520 |
| 7 | 34040514063 |
| oct | 7425244370 |
| 9 | 2545605733 |
| 10 | 1012222200 |
| 11 | 47a411580 |
| 12 | 242ba88a0 |
| 13 | 131929362 |
| 14 | 9860d8da |
| 15 | 5dce7a50 |
| hex | 3c5548f8 |
1012222200 has 192 divisors, whose sum is σ = 3458707200. Its totient is φ = 242841600.
The previous prime is 1012222153. The next prime is 1012222201. The reversal of 1012222200 is 22222101.
1012222200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012222201) 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, 679056 + ... + 680544.
It is an arithmetic number, because the mean of its divisors is an integer number (18014100).
Almost surely, 21012222200 is an apocalyptic number.
1012222200 is a gapful number since it is divisible by the number (10) 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 1012222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729353600).
1012222200 is an abundant number, since it is smaller than the sum of its proper divisors (2446485000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1012222200 is a wasteful number, since it uses less digits than its factorization.
1012222200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1622 (or 1613 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 1012222200 is about 31815.4396480702. The cubic root of 1012222200 is about 1004.0575804397.
Adding to 1012222200 its reverse (22222101), we get a palindrome (1034444301).
Subtracting from 1012222200 its reverse (22222101), we obtain a palindrome (990000099).
The spelling of 1012222200 in words is "one billion, twelve million, two hundred twenty-two thousand, two hundred".
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