Base | Representation |
---|---|
bin | 111111011011101… |
… | …0110110100101011 |
3 | 12111100000222122001 |
4 | 1332313112310223 |
5 | 13324340044434 |
6 | 551111511431 |
7 | 103513306144 |
oct | 17667266453 |
9 | 5440028561 |
10 | 2128440619 |
11 | 9a24a3a38 |
12 | 4b4988577 |
13 | 27bc68126 |
14 | 162970acb |
15 | c6cd4114 |
hex | 7edd6d2b |
2128440619 has 2 divisors, whose sum is σ = 2128440620. Its totient is φ = 2128440618.
The previous prime is 2128440581. The next prime is 2128440641. The reversal of 2128440619 is 9160448212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2128440619 - 29 = 2128440107 is a prime.
It is a super-2 number, since 2×21284406192 = 9060518937218206322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2128440649) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064220309 + 1064220310.
It is an arithmetic number, because the mean of its divisors is an integer number (1064220310).
Almost surely, 22128440619 is an apocalyptic number.
2128440619 is a deficient number, since it is larger than the sum of its proper divisors (1).
2128440619 is an equidigital number, since it uses as much as digits as its factorization.
2128440619 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 2128440619 is about 46135.0259455872. The cubic root of 2128440619 is about 1286.3342878721.
The spelling of 2128440619 in words is "two billion, one hundred twenty-eight million, four hundred forty thousand, six hundred nineteen".
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