Base | Representation |
---|---|
bin | 100000000000011001… |
… | …0011000010100010101 |
3 | 20120102002200002111222 |
4 | 1000000302120110111 |
5 | 2111231031333131 |
6 | 51324135540125 |
7 | 4652155112324 |
oct | 1000062302425 |
9 | 216362602458 |
10 | 68732683541 |
11 | 271708984a5 |
12 | 113a252a645 |
13 | 6634a13c62 |
14 | 34805a20bb |
15 | 1bc422987b |
hex | 1000c98515 |
68732683541 has 2 divisors, whose sum is σ = 68732683542. Its totient is φ = 68732683540.
The previous prime is 68732683531. The next prime is 68732683553. The reversal of 68732683541 is 14538623786.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 63443030641 + 5289652900 = 251879^2 + 72730^2 .
It is a cyclic number.
It is not a de Polignac number, because 68732683541 - 26 = 68732683477 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68732683511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34366341770 + 34366341771.
It is an arithmetic number, because the mean of its divisors is an integer number (34366341771).
Almost surely, 268732683541 is an apocalyptic number.
It is an amenable number.
68732683541 is a deficient number, since it is larger than the sum of its proper divisors (1).
68732683541 is an equidigital number, since it uses as much as digits as its factorization.
68732683541 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5806080, while the sum is 53.
The spelling of 68732683541 in words is "sixty-eight billion, seven hundred thirty-two million, six hundred eighty-three thousand, five hundred forty-one".
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