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8138280210133 is a prime number
BaseRepresentation
bin111011001101101011101…
…0011010000111011010101
31001211000022201222220102111
41312123113103100323111
52031314144213211013
625150401352511021
71466654112261013
oct166332723207325
931730281886374
108138280210133
112658475017837
12ab53056ab471
1347058a09acc8
14201c757138b3
15e1a66bc473d
hex766d74d0ed5

8138280210133 has 2 divisors, whose sum is σ = 8138280210134. Its totient is φ = 8138280210132.

The previous prime is 8138280210131. The next prime is 8138280210173. The reversal of 8138280210133 is 3310120828318.

It is a happy number.

It is an a-pointer prime, because the next prime (8138280210173) can be obtained adding 8138280210133 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5563644952644 + 2574635257489 = 2358738^2 + 1604567^2 .

It is a cyclic number.

It is not a de Polignac number, because 8138280210133 - 21 = 8138280210131 is a prime.

Together with 8138280210131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8138280210131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069140105066 + 4069140105067.

It is an arithmetic number, because the mean of its divisors is an integer number (4069140105067).

Almost surely, 28138280210133 is an apocalyptic number.

It is an amenable number.

8138280210133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8138280210133 is an equidigital number, since it uses as much as digits as its factorization.

8138280210133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 8138280210133 in words is "eight trillion, one hundred thirty-eight billion, two hundred eighty million, two hundred ten thousand, one hundred thirty-three".