Base | Representation |
---|---|
bin | 111110111101000… |
… | …1111101000010100 |
3 | 12110012220001222120 |
4 | 1331322033220110 |
5 | 13311234422442 |
6 | 545340255540 |
7 | 103230163656 |
oct | 17572175024 |
9 | 5405801876 |
10 | 2112420372 |
11 | 994451767 |
12 | 4ab5415b0 |
13 | 2788492aa |
14 | 1607a06d6 |
15 | c56bc4ec |
hex | 7de8fa14 |
2112420372 has 24 divisors (see below), whose sum is σ = 5143285056. Its totient is φ = 673525248.
The previous prime is 2112420371. The next prime is 2112420403. The reversal of 2112420372 is 2730242112.
It is a super-3 number, since 3×21124203723 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112420371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826573 + ... + 3827124.
It is an arithmetic number, because the mean of its divisors is an integer number (214303544).
Almost surely, 22112420372 is an apocalyptic number.
It is an amenable number.
2112420372 is an abundant number, since it is smaller than the sum of its proper divisors (3030864684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112420372 is a wasteful number, since it uses less digits than its factorization.
2112420372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7653727 (or 7653725 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 2112420372 is about 45961.0745305198. The cubic root of 2112420372 is about 1283.0988499385.
Adding to 2112420372 its reverse (2730242112), we get a palindrome (4842662484).
The spelling of 2112420372 in words is "two billion, one hundred twelve million, four hundred twenty thousand, three hundred seventy-two".
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