Base | Representation |
---|---|
bin | 1010100101001011… |
… | …00010000111100001 |
3 | 112122212221020022022 |
4 | 11102211202013201 |
5 | 43113204204311 |
6 | 2335401351225 |
7 | 260524530341 |
oct | 52245420741 |
9 | 15585836268 |
10 | 5680538081 |
11 | 2455574379 |
12 | 1126498515 |
13 | 6c6b4574a |
14 | 3bc610d21 |
15 | 233a825db |
hex | 1529621e1 |
5680538081 has 2 divisors, whose sum is σ = 5680538082. Its totient is φ = 5680538080.
The previous prime is 5680538041. The next prime is 5680538089. The reversal of 5680538081 is 1808350865.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3396558400 + 2283979681 = 58280^2 + 47791^2 .
It is a cyclic number.
It is not a de Polignac number, because 5680538081 - 214 = 5680521697 is a prime.
It is a super-2 number, since 2×56805380812 = 64537025779382325122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (5680538089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840269040 + 2840269041.
It is an arithmetic number, because the mean of its divisors is an integer number (2840269041).
Almost surely, 25680538081 is an apocalyptic number.
It is an amenable number.
5680538081 is a deficient number, since it is larger than the sum of its proper divisors (1).
5680538081 is an equidigital number, since it uses as much as digits as its factorization.
5680538081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 230400, while the sum is 44.
The square root of 5680538081 is about 75369.3444379079. The cubic root of 5680538081 is about 1784.2806204964.
The spelling of 5680538081 in words is "five billion, six hundred eighty million, five hundred thirty-eight thousand, eighty-one".
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