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8969052481 is a prime number
BaseRepresentation
bin10000101101001100…
…01110000101000001
3212011001212001222221
420112212032011001
5121332034134411
64041553531041
7435155455024
oct102646160501
925131761887
108969052481
113892883974
1218a3873a81
13acc235c5c
1461127b1bb
15377617071
hex21698e141

8969052481 has 2 divisors, whose sum is σ = 8969052482. Its totient is φ = 8969052480.

The previous prime is 8969052479. The next prime is 8969052503. The reversal of 8969052481 is 1842509698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4615164225 + 4353888256 = 67935^2 + 65984^2 .

It is a cyclic number.

It is not a de Polignac number, because 8969052481 - 21 = 8969052479 is a prime.

It is a super-2 number, since 2×89690524812 (a number of 21 digits) contains 22 as substring.

Together with 8969052479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8969052181) 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, 4484526240 + 4484526241.

It is an arithmetic number, because the mean of its divisors is an integer number (4484526241).

Almost surely, 28969052481 is an apocalyptic number.

It is an amenable number.

8969052481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8969052481 is an equidigital number, since it uses as much as digits as its factorization.

8969052481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The square root of 8969052481 is about 94705.0816007251. The cubic root of 8969052481 is about 2077.6968837916.

The spelling of 8969052481 in words is "eight billion, nine hundred sixty-nine million, fifty-two thousand, four hundred eighty-one".