| Base | Representation |
|---|---|
| bin | 100001011100110… |
| … | …1100110101100000 |
| 3 | 2220020000221200100 |
| 4 | 1002321230311200 |
| 5 | 4244320001422 |
| 6 | 303213222400 |
| 7 | 36546300450 |
| oct | 10271546540 |
| 9 | 2806027610 |
| 10 | 1122422112 |
| 11 | 52663a389 |
| 12 | 273a91a00 |
| 13 | 14b7016c6 |
| 14 | a90d7d60 |
| 15 | 688147ac |
| hex | 42e6cd60 |
1122422112 has 144 divisors (see below), whose sum is σ = 3839996160. Its totient is φ = 303803136.
The previous prime is 1122422111. The next prime is 1122422117. The reversal of 1122422112 is 2112242211.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1122422111) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23653 + ... + 52955.
It is an arithmetic number, because the mean of its divisors is an integer number (26666640).
Almost surely, 21122422112 is an apocalyptic number.
1122422112 is a gapful number since it is divisible by the number (12) 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 1122422112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919998080).
1122422112 is an abundant number, since it is smaller than the sum of its proper divisors (2717574048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1122422112 is a wasteful number, since it uses less digits than its factorization.
1122422112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29345 (or 29334 counting only the distinct ones).
The product of its digits is 128, while the sum is 18.
The square root of 1122422112 is about 33502.5687373371. The cubic root of 1122422112 is about 1039.2469005460.
Adding to 1122422112 its reverse (2112242211), we get a palindrome (3234664323).
It can be divided in two parts, 112242211 and 2, that multiplied together give a palindrome (224484422).
The spelling of 1122422112 in words is "one billion, one hundred twenty-two million, four hundred twenty-two thousand, one hundred twelve".
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