Base | Representation |
---|---|
bin | 110101110110011… |
… | …1001001111111101 |
3 | 11122221001121021012 |
4 | 1223230321033331 |
5 | 12200033242231 |
6 | 455144445005 |
7 | 62530442144 |
oct | 15354711775 |
9 | 4587047235 |
10 | 1806930941 |
11 | 847a68a62 |
12 | 425179765 |
13 | 22a478a0a |
14 | 131d9c75b |
15 | a8976e2b |
hex | 6bb393fd |
1806930941 has 2 divisors, whose sum is σ = 1806930942. Its totient is φ = 1806930940.
The previous prime is 1806930889. The next prime is 1806930943. The reversal of 1806930941 is 1490396081.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1462680025 + 344250916 = 38245^2 + 18554^2 .
It is a cyclic number.
It is not a de Polignac number, because 1806930941 - 218 = 1806668797 is a prime.
Together with 1806930943, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1806930943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903465470 + 903465471.
It is an arithmetic number, because the mean of its divisors is an integer number (903465471).
Almost surely, 21806930941 is an apocalyptic number.
It is an amenable number.
1806930941 is a deficient number, since it is larger than the sum of its proper divisors (1).
1806930941 is an equidigital number, since it uses as much as digits as its factorization.
1806930941 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46656, while the sum is 41.
The square root of 1806930941 is about 42508.0103157040. The cubic root of 1806930941 is about 1217.9997099249. Note that the first 3 decimals are identical.
The spelling of 1806930941 in words is "one billion, eight hundred six million, nine hundred thirty thousand, nine hundred forty-one".
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