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2447147023 is a prime number
BaseRepresentation
bin1001000111011100…
…1000000000001111
320022112201221121221
42101313020000033
520002432201043
61042454504211
7114433256266
oct22167100017
96275657557
102447147023
111046394862
12583665067
132cccb55b9
141930135dd
15e4c8a8ed
hex91dc800f

2447147023 has 2 divisors, whose sum is σ = 2447147024. Its totient is φ = 2447147022.

The previous prime is 2447146987. The next prime is 2447147117. The reversal of 2447147023 is 3207417442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2447147023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2447147023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2447147723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223573511 + 1223573512.

It is an arithmetic number, because the mean of its divisors is an integer number (1223573512).

Almost surely, 22447147023 is an apocalyptic number.

2447147023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447147023 is an equidigital number, since it uses as much as digits as its factorization.

2447147023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 2447147023 is about 49468.6468684964. The cubic root of 2447147023 is about 1347.5762680582.

The spelling of 2447147023 in words is "two billion, four hundred forty-seven million, one hundred forty-seven thousand, twenty-three".