Base | Representation |
---|---|
bin | 11110111110000101001100… |
… | …01001111101010001011011 |
3 | 22221010122210011020010202202 |
4 | 33133002212021331101123 |
5 | 32411303030000322444 |
6 | 400502240534320415 |
7 | 20226223244503664 |
oct | 1737024611752133 |
9 | 287118704203682 |
10 | 68103789073499 |
11 | 1a777722519443 |
12 | 777ab791b910b |
13 | 2c0020cc91cba |
14 | 12b635336236b |
15 | 7d180871134e |
hex | 3df0a627d45b |
68103789073499 has 2 divisors, whose sum is σ = 68103789073500. Its totient is φ = 68103789073498.
The previous prime is 68103789073457. The next prime is 68103789073501. The reversal of 68103789073499 is 99437098730186.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68103789073499 is a prime.
Together with 68103789073501, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (68103789073699) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34051894536749 + 34051894536750.
It is an arithmetic number, because the mean of its divisors is an integer number (34051894536750).
Almost surely, 268103789073499 is an apocalyptic number.
68103789073499 is a deficient number, since it is larger than the sum of its proper divisors (1).
68103789073499 is an equidigital number, since it uses as much as digits as its factorization.
68103789073499 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 493807104, while the sum is 74.
The spelling of 68103789073499 in words is "sixty-eight trillion, one hundred three billion, seven hundred eighty-nine million, seventy-three thousand, four hundred ninety-nine".
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