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68479026029 is a prime number
BaseRepresentation
bin111111110001101010…
…110000001101101101
320112202102100221211022
4333301222300031231
52110221112313104
651243035103525
74642655055131
oct776152601555
9215672327738
1068479026029
1127050696897
12113315a1ba5
1365c42c085b
143458a133c1
151babd21bbe
hexff1ab036d

68479026029 has 2 divisors, whose sum is σ = 68479026030. Its totient is φ = 68479026028.

The previous prime is 68479026023. The next prime is 68479026037. The reversal of 68479026029 is 92062097486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62775302500 + 5703723529 = 250550^2 + 75523^2 .

It is a cyclic number.

It is not a de Polignac number, because 68479026029 - 216 = 68478960493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68479026023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34239513014 + 34239513015.

It is an arithmetic number, because the mean of its divisors is an integer number (34239513015).

Almost surely, 268479026029 is an apocalyptic number.

It is an amenable number.

68479026029 is a deficient number, since it is larger than the sum of its proper divisors (1).

68479026029 is an equidigital number, since it uses as much as digits as its factorization.

68479026029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 68479026029 in words is "sixty-eight billion, four hundred seventy-nine million, twenty-six thousand, twenty-nine".