Base | Representation |
---|---|
bin | 111110111100101… |
… | …1100100100101100 |
3 | 12110012111110010002 |
4 | 1331321130210230 |
5 | 13311211224434 |
6 | 545332003432 |
7 | 103225333163 |
oct | 17571344454 |
9 | 5405443102 |
10 | 2112211244 |
11 | 994319630 |
12 | 4ab460578 |
13 | 2787a5050 |
14 | 1607483da |
15 | c567a57e |
hex | 7de5c92c |
2112211244 has 48 divisors (see below), whose sum is σ = 4383300096. Its totient is φ = 877934400.
The previous prime is 2112211243. The next prime is 2112211249. The reversal of 2112211244 is 4421122112.
It is a super-2 number, since 2×21122112442 = 8922872678560055072, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (2112211243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43949 + ... + 78459.
It is an arithmetic number, because the mean of its divisors is an integer number (91318752).
Almost surely, 22112211244 is an apocalyptic number.
It is an amenable number.
2112211244 is an abundant number, since it is smaller than the sum of its proper divisors (2271088852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112211244 is a wasteful number, since it uses less digits than its factorization.
2112211244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34646 (or 34644 counting only the distinct ones).
The product of its digits is 256, while the sum is 20.
The square root of 2112211244 is about 45958.7994186097. The cubic root of 2112211244 is about 1283.0565066065.
Adding to 2112211244 its reverse (4421122112), we get a palindrome (6533333356).
The spelling of 2112211244 in words is "two billion, one hundred twelve million, two hundred eleven thousand, two hundred forty-four".
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