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1485875681 is a prime number
BaseRepresentation
bin101100010010000…
…1010100111100001
310211112221022020122
41120210022213201
511020341010211
6403235250025
751551510033
oct13044124741
93745838218
101485875681
116a2813434
12355749915
131a8ab83a4
141014a7c53
158a6a96db
hex5890a9e1

1485875681 has 2 divisors, whose sum is σ = 1485875682. Its totient is φ = 1485875680.

The previous prime is 1485875669. The next prime is 1485875731. The reversal of 1485875681 is 1865785841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777517456 + 708358225 = 27884^2 + 26615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485875681 - 230 = 412133857 is a prime.

It is a super-2 number, since 2×14858756812 = 4415653078774427522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1485875641) 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, 742937840 + 742937841.

It is an arithmetic number, because the mean of its divisors is an integer number (742937841).

Almost surely, 21485875681 is an apocalyptic number.

It is an amenable number.

1485875681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485875681 is an equidigital number, since it uses as much as digits as its factorization.

1485875681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 53.

The square root of 1485875681 is about 38547.0580070646. The cubic root of 1485875681 is about 1141.1099482516.

The spelling of 1485875681 in words is "one billion, four hundred eighty-five million, eight hundred seventy-five thousand, six hundred eighty-one".