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9027811913 is a prime number
BaseRepresentation
bin10000110100001100…
…10111101001001001
3212022011102100210012
420122012113221021
5121442104440123
64051453201305
7436501064231
oct103206275111
925264370705
109027811913
113912a6778a
1218bb490235
13b0b46a353
14618db4cc1
1537c872378
hex21a197a49

9027811913 has 2 divisors, whose sum is σ = 9027811914. Its totient is φ = 9027811912.

The previous prime is 9027811907. The next prime is 9027811931. The reversal of 9027811913 is 3191187209.

It is a happy number.

9027811913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (9027811931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7725179449 + 1302632464 = 87893^2 + 36092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9027811913 is a prime.

It is not a weakly prime, because it can be changed into another prime (9027811963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4513905956 + 4513905957.

It is an arithmetic number, because the mean of its divisors is an integer number (4513905957).

Almost surely, 29027811913 is an apocalyptic number.

It is an amenable number.

9027811913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9027811913 is an equidigital number, since it uses as much as digits as its factorization.

9027811913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 9027811913 is about 95014.7983895140. The cubic root of 9027811913 is about 2082.2242534842.

The spelling of 9027811913 in words is "nine billion, twenty-seven million, eight hundred eleven thousand, nine hundred thirteen".