Base | Representation |
---|---|
bin | 111110111100100… |
… | …0010010110011101 |
3 | 12110012021222210001 |
4 | 1331321002112131 |
5 | 13311144310322 |
6 | 545325414301 |
7 | 103224405064 |
oct | 17571022635 |
9 | 5405258701 |
10 | 2112103837 |
11 | 994255968 |
12 | 4ab40a391 |
13 | 2787681ac |
14 | 16071b1db |
15 | c5658827 |
hex | 7de4259d |
2112103837 has 2 divisors, whose sum is σ = 2112103838. Its totient is φ = 2112103836.
The previous prime is 2112103831. The next prime is 2112103849. The reversal of 2112103837 is 7383012112.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2049282361 + 62821476 = 45269^2 + 7926^2 .
It is a cyclic number.
It is not a de Polignac number, because 2112103837 - 215 = 2112071069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2112103831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056051918 + 1056051919.
It is an arithmetic number, because the mean of its divisors is an integer number (1056051919).
Almost surely, 22112103837 is an apocalyptic number.
It is an amenable number.
2112103837 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112103837 is an equidigital number, since it uses as much as digits as its factorization.
2112103837 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 2112103837 is about 45957.6308897663. The cubic root of 2112103837 is about 1283.0347582158.
Adding to 2112103837 its reverse (7383012112), we get a palindrome (9495115949).
The spelling of 2112103837 in words is "two billion, one hundred twelve million, one hundred three thousand, eight hundred thirty-seven".
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