Base | Representation |
---|---|
bin | 111110111100100… |
… | …0010001001110110 |
3 | 12110012021221200011 |
4 | 1331321002021312 |
5 | 13311144244110 |
6 | 545325410434 |
7 | 103224402532 |
oct | 17571021166 |
9 | 5405257604 |
10 | 2112103030 |
11 | 9942552a4 |
12 | 4ab409a1a |
13 | 278767a0b |
14 | 16071abc2 |
15 | c565848a |
hex | 7de42276 |
2112103030 has 32 divisors (see below), whose sum is σ = 3870332928. Its totient is φ = 829701600.
The previous prime is 2112103013. The next prime is 2112103039. The reversal of 2112103030 is 303012112.
It is a self number, because there is not a number n which added to its sum of digits gives 2112103030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112103039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181075 + ... + 192385.
It is an arithmetic number, because the mean of its divisors is an integer number (120947904).
Almost surely, 22112103030 is an apocalyptic number.
2112103030 is a deficient number, since it is larger than the sum of its proper divisors (1758229898).
2112103030 is a wasteful number, since it uses less digits than its factorization.
2112103030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11652.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 2112103030 is about 45957.6221099395. The cubic root of 2112103030 is about 1283.0345948069.
Adding to 2112103030 its reverse (303012112), we get a palindrome (2415115142).
The spelling of 2112103030 in words is "two billion, one hundred twelve million, one hundred three thousand, thirty".
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