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320485281407 is a prime number
BaseRepresentation
bin1001010100111100110…
…10010100111001111111
31010122020011121010221022
410222132122110321333
520222323213001112
6403121235454355
732103631642004
oct4523632247177
91118204533838
10320485281407
11113a0a64a435
1252141a573bb
13242b5c070b5
1411723a6b8ab
15850ad36d72
hex4a9e694e7f

320485281407 has 2 divisors, whose sum is σ = 320485281408. Its totient is φ = 320485281406.

The previous prime is 320485281379. The next prime is 320485281419. The reversal of 320485281407 is 704182584023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320485281407 - 26 = 320485281343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320485281007) 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, 160242640703 + 160242640704.

It is an arithmetic number, because the mean of its divisors is an integer number (160242640704).

Almost surely, 2320485281407 is an apocalyptic number.

320485281407 is a deficient number, since it is larger than the sum of its proper divisors (1).

320485281407 is an equidigital number, since it uses as much as digits as its factorization.

320485281407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 320485281407 in words is "three hundred twenty billion, four hundred eighty-five million, two hundred eighty-one thousand, four hundred seven".