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6813127089739 is a prime number
BaseRepresentation
bin110001100100100111000…
…0001010001111001001011
3220010022212112121112200201
41203021032001101321023
51343111241013332424
622253523554313031
71302142432510645
oct143111601217113
926108775545621
106813127089739
112197481695a43
1292051a588777
133a5623b18099
14197a85723895
15bc359932d44
hex6324e051e4b

6813127089739 has 2 divisors, whose sum is σ = 6813127089740. Its totient is φ = 6813127089738.

The previous prime is 6813127089721. The next prime is 6813127089793. The reversal of 6813127089739 is 9379807213186.

Together with next prime (6813127089793) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6813127089739 - 25 = 6813127089707 is a prime.

It is not a weakly prime, because it can be changed into another prime (6813127089539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406563544869 + 3406563544870.

It is an arithmetic number, because the mean of its divisors is an integer number (3406563544870).

Almost surely, 26813127089739 is an apocalyptic number.

6813127089739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6813127089739 is an equidigital number, since it uses as much as digits as its factorization.

6813127089739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 6813127089739 in words is "six trillion, eight hundred thirteen billion, one hundred twenty-seven million, eighty-nine thousand, seven hundred thirty-nine".