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66480488353 is a prime number
BaseRepresentation
bin111101111010100010…
…111011111110100001
320100121010202201112101
4331322202323332201
52042123001111403
650312443330401
74542306553516
oct757242737641
9210533681471
1066480488353
1126215558964
1210a74220a01
136366238c96
14330941930d
151ae164c71d
hexf7a8bbfa1

66480488353 has 2 divisors, whose sum is σ = 66480488354. Its totient is φ = 66480488352.

The previous prime is 66480488339. The next prime is 66480488369. The reversal of 66480488353 is 35388408466.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65345674384 + 1134813969 = 255628^2 + 33687^2 .

It is a cyclic number.

It is not a de Polignac number, because 66480488353 - 29 = 66480487841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66480488294 and 66480488303.

It is not a weakly prime, because it can be changed into another prime (66480488953) 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, 33240244176 + 33240244177.

It is an arithmetic number, because the mean of its divisors is an integer number (33240244177).

Almost surely, 266480488353 is an apocalyptic number.

It is an amenable number.

66480488353 is a deficient number, since it is larger than the sum of its proper divisors (1).

66480488353 is an equidigital number, since it uses as much as digits as its factorization.

66480488353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 66480488353 in words is "sixty-six billion, four hundred eighty million, four hundred eighty-eight thousand, three hundred fifty-three".