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320006287049 is a prime number
BaseRepresentation
bin1001010100000011101…
…11000110111011001001
31010120222210021201012112
410222001313012323021
520220333102141144
6403001525152105
732056024363001
oct4520167067311
91116883251175
10320006287049
1111379422a929
125202955b635
132423a8c8097
14116ba1c3001
1584cdc6c99e
hex4a81dc6ec9

320006287049 has 2 divisors, whose sum is σ = 320006287050. Its totient is φ = 320006287048.

The previous prime is 320006286953. The next prime is 320006287079. The reversal of 320006287049 is 940782600023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297586615225 + 22419671824 = 545515^2 + 149732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-320006287049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320006286997 and 320006287015.

It is not a weakly prime, because it can be changed into another prime (320006287079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160003143524 + 160003143525.

It is an arithmetic number, because the mean of its divisors is an integer number (160003143525).

Almost surely, 2320006287049 is an apocalyptic number.

It is an amenable number.

320006287049 is a deficient number, since it is larger than the sum of its proper divisors (1).

320006287049 is an equidigital number, since it uses as much as digits as its factorization.

320006287049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 320006287049 in words is "three hundred twenty billion, six million, two hundred eighty-seven thousand, forty-nine".