Base | Representation |
---|---|
bin | 111111011100110011… |
… | …111001010101000111 |
3 | 20111212000220221002202 |
4 | 333130303321111013 |
5 | 2104012022214002 |
6 | 51144215025115 |
7 | 4631205542663 |
oct | 773463712507 |
9 | 214760827082 |
10 | 68129101127 |
11 | 2699111305a |
12 | 1125436b19b |
13 | 65699628b9 |
14 | 34243658a3 |
15 | 1b8b250502 |
hex | fdccf9547 |
68129101127 has 2 divisors, whose sum is σ = 68129101128. Its totient is φ = 68129101126.
The previous prime is 68129101123. The next prime is 68129101151. The reversal of 68129101127 is 72110192186.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68129101127 - 22 = 68129101123 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68129101123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34064550563 + 34064550564.
It is an arithmetic number, because the mean of its divisors is an integer number (34064550564).
Almost surely, 268129101127 is an apocalyptic number.
68129101127 is a deficient number, since it is larger than the sum of its proper divisors (1).
68129101127 is an equidigital number, since it uses as much as digits as its factorization.
68129101127 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12096, while the sum is 38.
The spelling of 68129101127 in words is "sixty-eight billion, one hundred twenty-nine million, one hundred one thousand, one hundred twenty-seven".
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