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68763012626779 is a prime number
BaseRepresentation
bin11111010001010001000101…
…11100001111100101011011
3100000110200100120122102100021
433220220202330033211123
533003103122213024104
6402125143015051311
720324651361321442
oct1750504274174533
9300420316572307
1068763012626779
111aa01258a86099
127866895970b37
132c4a42a552353
1412da20cd01d59
157e3a3ca5d754
hex3e8a22f0f95b

68763012626779 has 2 divisors, whose sum is σ = 68763012626780. Its totient is φ = 68763012626778.

The previous prime is 68763012626773. The next prime is 68763012626797. The reversal of 68763012626779 is 97762621036786.

Together with next prime (68763012626797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68763012626779 - 217 = 68763012495707 is a prime.

It is not a weakly prime, because it can be changed into another prime (68763012626773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34381506313389 + 34381506313390.

It is an arithmetic number, because the mean of its divisors is an integer number (34381506313390).

Almost surely, 268763012626779 is an apocalyptic number.

68763012626779 is a deficient number, since it is larger than the sum of its proper divisors (1).

68763012626779 is an equidigital number, since it uses as much as digits as its factorization.

68763012626779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384072192, while the sum is 70.

The spelling of 68763012626779 in words is "sixty-eight trillion, seven hundred sixty-three billion, twelve million, six hundred twenty-six thousand, seven hundred seventy-nine".