Base | Representation |
---|---|
bin | 111110111101011… |
… | …1110100100000100 |
3 | 12110020020211200120 |
4 | 1331322332210010 |
5 | 13311312100422 |
6 | 545344341540 |
7 | 103231624305 |
oct | 17572764404 |
9 | 5406224616 |
10 | 2112612612 |
11 | 994573140 |
12 | 4ab6148b0 |
13 | 2788b5946 |
14 | 1608107ac |
15 | c570945c |
hex | 7debe904 |
2112612612 has 96 divisors (see below), whose sum is σ = 5482681344. Its totient is φ = 627792000.
The previous prime is 2112612599. The next prime is 2112612647. The reversal of 2112612612 is 2162162112.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1653718 + ... + 1654994.
It is an arithmetic number, because the mean of its divisors is an integer number (57111264).
Almost surely, 22112612612 is an apocalyptic number.
2112612612 is a gapful number since it is divisible by the number (22) 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 2112612612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741340672).
2112612612 is an abundant number, since it is smaller than the sum of its proper divisors (3370068732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112612612 is a wasteful number, since it uses less digits than its factorization.
2112612612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1529 (or 1527 counting only the distinct ones).
The product of its digits is 576, while the sum is 24.
The square root of 2112612612 is about 45963.1658178590. The cubic root of 2112612612 is about 1283.1377713963.
Adding to 2112612612 its reverse (2162162112), we get a palindrome (4274774724).
The spelling of 2112612612 in words is "two billion, one hundred twelve million, six hundred twelve thousand, six hundred twelve".
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