Base | Representation |
---|---|
bin | 1111100101100… |
… | …1111101100001 |
3 | 11120000122202122 |
4 | 3321121331201 |
5 | 113214131233 |
6 | 10253154025 |
7 | 1422502544 |
oct | 371317541 |
9 | 146018678 |
10 | 65380193 |
11 | 339a611a |
12 | 19a8b915 |
13 | 10711b08 |
14 | 897c85b |
15 | 5b16d98 |
hex | 3e59f61 |
65380193 has 2 divisors, whose sum is σ = 65380194. Its totient is φ = 65380192.
The previous prime is 65380109. The next prime is 65380207. The reversal of 65380193 is 39108356.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 41886784 + 23493409 = 6472^2 + 4847^2 .
It is a cyclic number.
It is not a de Polignac number, because 65380193 - 210 = 65379169 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (65380093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690096 + 32690097.
It is an arithmetic number, because the mean of its divisors is an integer number (32690097).
Almost surely, 265380193 is an apocalyptic number.
It is an amenable number.
65380193 is a deficient number, since it is larger than the sum of its proper divisors (1).
65380193 is an equidigital number, since it uses as much as digits as its factorization.
65380193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 65380193 is about 8085.8019392018. The cubic root of 65380193 is about 402.8549763776.
The spelling of 65380193 in words is "sixty-five million, three hundred eighty thousand, one hundred ninety-three".
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