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8147924877149 is a prime number
BaseRepresentation
bin111011010010001011000…
…1010101111111101011101
31001211221012220010202022222
41312210112022233331131
52031443422232032044
625155034403315125
71500445113504521
oct166442612577535
931757186122288
108147924877149
1126615741a4922
12ab715767baa5
13471466285a75
1420250c5bbd81
15e1e2d7938ee
hex769162aff5d

8147924877149 has 2 divisors, whose sum is σ = 8147924877150. Its totient is φ = 8147924877148.

The previous prime is 8147924877137. The next prime is 8147924877187. The reversal of 8147924877149 is 9417784297418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4522823116249 + 3625101760900 = 2126693^2 + 1903970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8147924877149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8147924837149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4073962438574 + 4073962438575.

It is an arithmetic number, because the mean of its divisors is an integer number (4073962438575).

Almost surely, 28147924877149 is an apocalyptic number.

It is an amenable number.

8147924877149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8147924877149 is an equidigital number, since it uses as much as digits as its factorization.

8147924877149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 227598336, while the sum is 71.

The spelling of 8147924877149 in words is "eight trillion, one hundred forty-seven billion, nine hundred twenty-four million, eight hundred seventy-seven thousand, one hundred forty-nine".