Base | Representation |
---|---|
bin | 111100111001001100… |
… | …010010001011111001 |
3 | 20020202201120220202122 |
4 | 330321030102023321 |
5 | 2032401302442334 |
6 | 50011554411025 |
7 | 4503164043665 |
oct | 747114221371 |
9 | 206681526678 |
10 | 65384030969 |
11 | 25802643234 |
12 | 10808b90a75 |
13 | 622002892a |
14 | 324395d8a5 |
15 | 1a7a26632e |
hex | f393122f9 |
65384030969 has 2 divisors, whose sum is σ = 65384030970. Its totient is φ = 65384030968.
The previous prime is 65384030917. The next prime is 65384030981. The reversal of 65384030969 is 96903048356.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 35990642944 + 29393388025 = 189712^2 + 171445^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-65384030969 is a prime.
It is a super-2 number, since 2×653840309692 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 65384030969.
It is not a weakly prime, because it can be changed into another prime (65384030909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32692015484 + 32692015485.
It is an arithmetic number, because the mean of its divisors is an integer number (32692015485).
Almost surely, 265384030969 is an apocalyptic number.
It is an amenable number.
65384030969 is a deficient number, since it is larger than the sum of its proper divisors (1).
65384030969 is an equidigital number, since it uses as much as digits as its factorization.
65384030969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4199040, while the sum is 53.
The spelling of 65384030969 in words is "sixty-five billion, three hundred eighty-four million, thirty thousand, nine hundred sixty-nine".
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