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68758285786 = 2431515294801
BaseRepresentation
bin100000000001001010…
…0000010110111011010
320120110212211211012021
41000002110002313122
52111304110121121
651330452405054
74652615533411
oct1000224026732
9216425754167
1068758285786
1127184294883
12113ab01678a
13663a109308
143483b48478
151bc65d5641
hex1002502dda

68758285786 has 16 divisors (see below), whose sum is σ = 106234907328. Its totient is φ = 33357240000.

The previous prime is 68758285763. The next prime is 68758285823.

68758285786 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634415 + ... + 2660386.

It is an arithmetic number, because the mean of its divisors is an integer number (6639681708).

Almost surely, 268758285786 is an apocalyptic number.

68758285786 is a deficient number, since it is larger than the sum of its proper divisors (37476621542).

68758285786 is a wasteful number, since it uses less digits than its factorization.

68758285786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294997.

The product of its digits is 361267200, while the sum is 70.

The spelling of 68758285786 in words is "sixty-eight billion, seven hundred fifty-eight million, two hundred eighty-five thousand, seven hundred eighty-six".

Divisors: 1 2 43 86 151 302 6493 12986 5294801 10589602 227676443 455352886 799514951 1599029902 34379142893 68758285786