Base | Representation |
---|---|
bin | 11111000100101101010000… |
… | …11000111001001011010111 |
3 | 22221221102102220212212211001 |
4 | 33202112220120321023113 |
5 | 32424020312202410012 |
6 | 401155012252324131 |
7 | 20251533163025122 |
oct | 1742265030711327 |
9 | 287842386785731 |
10 | 68331459810007 |
11 | 1a855233735519 |
12 | 77b7117773647 |
13 | 2c18823c26434 |
14 | 12c33903a33b9 |
15 | 7d76d105c357 |
hex | 3e25a86392d7 |
68331459810007 has 2 divisors, whose sum is σ = 68331459810008. Its totient is φ = 68331459810006.
The previous prime is 68331459809917. The next prime is 68331459810049. The reversal of 68331459810007 is 70001895413386.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68331459810007 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68331459810007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68331459810907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34165729905003 + 34165729905004.
It is an arithmetic number, because the mean of its divisors is an integer number (34165729905004).
Almost surely, 268331459810007 is an apocalyptic number.
68331459810007 is a deficient number, since it is larger than the sum of its proper divisors (1).
68331459810007 is an equidigital number, since it uses as much as digits as its factorization.
68331459810007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4354560, while the sum is 55.
The spelling of 68331459810007 in words is "sixty-eight trillion, three hundred thirty-one billion, four hundred fifty-nine million, eight hundred ten thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •