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8999999999993 is a prime number
BaseRepresentation
bin1000001011110111100111…
…0011011000111111111001
31011212101120110210211100002
42002331321303120333321
52134423444444444433
631050313134322345
71616141250525242
oct202757163307771
934771513724302
108999999999993
11295a973409122
1210143159593b5
13503908b8c9a2
14231860ac5cc9
1510919d6cb9e8
hex82f79cd8ff9

8999999999993 has 2 divisors, whose sum is σ = 8999999999994. Its totient is φ = 8999999999992.

The previous prime is 8999999999911. The next prime is 9000000000059. The reversal of 8999999999993 is 3999999999998.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8559299194384 + 440700805609 = 2925628^2 + 663853^2 .

It is a cyclic number.

It is not a de Polignac number, because 8999999999993 - 220 = 8999998951417 is a prime.

It is not a weakly prime, because it can be changed into another prime (8999999999593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499999999996 + 4499999999997.

It is an arithmetic number, because the mean of its divisors is an integer number (4499999999997).

Almost surely, 28999999999993 is an apocalyptic number.

It is an amenable number.

8999999999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999999999993 is an equidigital number, since it uses as much as digits as its factorization.

8999999999993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 753145430616, while the sum is 110.

It can be divided in two parts, 8 and 999999999993, that added together give a palindrome (1000000000001).

The spelling of 8999999999993 in words is "eight trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".