Base | Representation |
---|---|
bin | 101111110111011011… |
… | …010110100101110011 |
3 | 11220122212020021222112 |
4 | 233313123112211303 |
5 | 1320224310024102 |
6 | 35335541555535 |
7 | 3466430643011 |
oct | 576733264563 |
9 | 156585207875 |
10 | 51395783027 |
11 | 1a884641546 |
12 | 9b64415bab |
13 | 4b00ca2c44 |
14 | 26b7c658b1 |
15 | 150c1a5252 |
hex | bf76d6973 |
51395783027 has 2 divisors, whose sum is σ = 51395783028. Its totient is φ = 51395783026.
The previous prime is 51395783017. The next prime is 51395783051. The reversal of 51395783027 is 72038759315.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51395783027 - 210 = 51395782003 is a prime.
It is a super-2 number, since 2×513957830272 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (51395783017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25697891513 + 25697891514.
It is an arithmetic number, because the mean of its divisors is an integer number (25697891514).
Almost surely, 251395783027 is an apocalyptic number.
51395783027 is a deficient number, since it is larger than the sum of its proper divisors (1).
51395783027 is an equidigital number, since it uses as much as digits as its factorization.
51395783027 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1587600, while the sum is 50.
The spelling of 51395783027 in words is "fifty-one billion, three hundred ninety-five million, seven hundred eighty-three thousand, twenty-seven".
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