Base | Representation |
---|---|
bin | 1111101010101011101… |
… | …01001110010001100101 |
3 | 1220110110210222110210211 |
4 | 13311111311032101211 |
5 | 32304430044134321 |
6 | 1051144023215421 |
7 | 53614563246406 |
oct | 7652565162145 |
9 | 1813423873724 |
10 | 538310927461 |
11 | 19832953731a |
12 | 883b32a7571 |
13 | 3b9bb2ab818 |
14 | 1c0a93519ad |
15 | e0091c40e1 |
hex | 7d55d4e465 |
538310927461 has 2 divisors, whose sum is σ = 538310927462. Its totient is φ = 538310927460.
The previous prime is 538310927449. The next prime is 538310927477. The reversal of 538310927461 is 164729013835.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 471762922500 + 66548004961 = 686850^2 + 257969^2 .
It is a cyclic number.
It is not a de Polignac number, because 538310927461 - 219 = 538310403173 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (538310921461) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269155463730 + 269155463731.
It is an arithmetic number, because the mean of its divisors is an integer number (269155463731).
It is a 1-persistent number, because it is pandigital, but 2⋅538310927461 = 1076621854922 is not.
Almost surely, 2538310927461 is an apocalyptic number.
It is an amenable number.
538310927461 is a deficient number, since it is larger than the sum of its proper divisors (1).
538310927461 is an equidigital number, since it uses as much as digits as its factorization.
538310927461 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1088640, while the sum is 49.
The spelling of 538310927461 in words is "five hundred thirty-eight billion, three hundred ten million, nine hundred twenty-seven thousand, four hundred sixty-one".
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