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8138108405743 is a prime number
BaseRepresentation
bin111011001101100110100…
…0011111000011111101111
31001210222212202201100002221
41312123031003320133233
52031313321222440433
625150332334300211
71466646625045411
oct166331503703757
931728782640087
108138108405743
112658397042638
12ab5278057667
134705606065c4
14201c5a9909b1
15e1a56a8972d
hex766cd0f87ef

8138108405743 has 2 divisors, whose sum is σ = 8138108405744. Its totient is φ = 8138108405742.

The previous prime is 8138108405729. The next prime is 8138108405789. The reversal of 8138108405743 is 3475048018318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8138108405743 - 217 = 8138108274671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8138108405143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069054202871 + 4069054202872.

It is an arithmetic number, because the mean of its divisors is an integer number (4069054202872).

Almost surely, 28138108405743 is an apocalyptic number.

8138108405743 is a deficient number, since it is larger than the sum of its proper divisors (1).

8138108405743 is an equidigital number, since it uses as much as digits as its factorization.

8138108405743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 8138108405743 in words is "eight trillion, one hundred thirty-eight billion, one hundred eight million, four hundred five thousand, seven hundred forty-three".