Base | Representation |
---|---|
bin | 11111001001111101110010… |
… | …00000011111011101001001 |
3 | 22222120200202221112212202112 |
4 | 33210332321000133131021 |
5 | 32440000314034033142 |
6 | 401414011534512105 |
7 | 20300560244656121 |
oct | 1744767100373511 |
9 | 288520687485675 |
10 | 68512127252297 |
11 | 1a9149147a99a3 |
12 | 7826138965635 |
13 | 2c2c886c1ab41 |
14 | 12cc00ca9dc81 |
15 | 7dc257156382 |
hex | 3e4fb901f749 |
68512127252297 has 2 divisors, whose sum is σ = 68512127252298. Its totient is φ = 68512127252296.
The previous prime is 68512127252263. The next prime is 68512127252323. The reversal of 68512127252297 is 79225272121586.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 57922693604416 + 10589433647881 = 7610696^2 + 3254141^2 .
It is a cyclic number.
It is not a de Polignac number, because 68512127252297 - 220 = 68512126203721 is a prime.
It is not a weakly prime, because it can be changed into another prime (68512127257297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34256063626148 + 34256063626149.
It is an arithmetic number, because the mean of its divisors is an integer number (34256063626149).
Almost surely, 268512127252297 is an apocalyptic number.
It is an amenable number.
68512127252297 is a deficient number, since it is larger than the sum of its proper divisors (1).
68512127252297 is an equidigital number, since it uses as much as digits as its factorization.
68512127252297 is an evil number, because the sum of its binary digits is even.
The product of its digits is 16934400, while the sum is 59.
The spelling of 68512127252297 in words is "sixty-eight trillion, five hundred twelve billion, one hundred twenty-seven million, two hundred fifty-two thousand, two hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •