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9006068921 is a prime number
BaseRepresentation
bin10000110001100110…
…11011010010111001
3212020122111201000012
420120303123102321
5121421023201141
64045355151305
7436115215463
oct103063332271
925218451005
109006068921
113901766973
1218b4145535
13b06ac6785
14616155133
1537a9c9ceb
hex218cdb4b9

9006068921 has 2 divisors, whose sum is σ = 9006068922. Its totient is φ = 9006068920.

The previous prime is 9006068893. The next prime is 9006068963. The reversal of 9006068921 is 1298606009.

9006068921 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8030131321 + 975937600 = 89611^2 + 31240^2 .

It is a cyclic number.

It is not a de Polignac number, because 9006068921 - 226 = 8938960057 is a prime.

It is a super-2 number, since 2×90060689212 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9006068821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4503034460 + 4503034461.

It is an arithmetic number, because the mean of its divisors is an integer number (4503034461).

Almost surely, 29006068921 is an apocalyptic number.

It is an amenable number.

9006068921 is a deficient number, since it is larger than the sum of its proper divisors (1).

9006068921 is an equidigital number, since it uses as much as digits as its factorization.

9006068921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 9006068921 is about 94900.3104367947. The cubic root of 9006068921 is about 2080.5512685308.

The spelling of 9006068921 in words is "nine billion, six million, sixty-eight thousand, nine hundred twenty-one".