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8088523981 is a prime number
BaseRepresentation
bin1111000100001110…
…10001010011001101
3202212200222120222021
413202013101103031
5113031130231411
63414341050141
7404304214366
oct74207212315
922780876867
108088523981
11348084086a
1216989b6951
139bb999285
1456a34cb6d
15325184a71
hex1e21d14cd

8088523981 has 2 divisors, whose sum is σ = 8088523982. Its totient is φ = 8088523980.

The previous prime is 8088523973. The next prime is 8088524047. The reversal of 8088523981 is 1893258808.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4049285956 + 4039238025 = 63634^2 + 63555^2 .

It is a cyclic number.

It is not a de Polignac number, because 8088523981 - 23 = 8088523973 is a prime.

It is a super-2 number, since 2×80885239812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8088523931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4044261990 + 4044261991.

It is an arithmetic number, because the mean of its divisors is an integer number (4044261991).

Almost surely, 28088523981 is an apocalyptic number.

It is an amenable number.

8088523981 is a deficient number, since it is larger than the sum of its proper divisors (1).

8088523981 is an equidigital number, since it uses as much as digits as its factorization.

8088523981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 8088523981 is about 89936.2217407425. The cubic root of 8088523981 is about 2007.3499544136.

The spelling of 8088523981 in words is "eight billion, eighty-eight million, five hundred twenty-three thousand, nine hundred eighty-one".