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80148436673 is a prime number
BaseRepresentation
bin100101010100100111…
…0000001011011000001
321122212200102102211112
41022221032001123001
52303120444433143
6100453015053105
75535103320404
oct1125116013301
9248780372745
1080148436673
1130a99780818
1213649671195
137733b07276
143c44777d3b
15214153ee18
hex12a93816c1

80148436673 has 2 divisors, whose sum is σ = 80148436674. Its totient is φ = 80148436672.

The previous prime is 80148436603. The next prime is 80148436717. The reversal of 80148436673 is 37663484108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80075982529 + 72454144 = 282977^2 + 8512^2 .

It is a cyclic number.

It is not a de Polignac number, because 80148436673 - 224 = 80131659457 is a prime.

It is a super-2 number, since 2×801484366732 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80148436603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40074218336 + 40074218337.

It is an arithmetic number, because the mean of its divisors is an integer number (40074218337).

Almost surely, 280148436673 is an apocalyptic number.

It is an amenable number.

80148436673 is a deficient number, since it is larger than the sum of its proper divisors (1).

80148436673 is an equidigital number, since it uses as much as digits as its factorization.

80148436673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 80148436673 in words is "eighty billion, one hundred forty-eight million, four hundred thirty-six thousand, six hundred seventy-three".