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12878453711 is a prime number
BaseRepresentation
bin10111111111001110…
…11001101111001111
31020020112002020022002
423333213121233033
5202333341004321
65525525542515
7634066023164
oct137747315717
936215066262
1012878453711
115509607982
1225b4b74a3b
1312a3156016
148a256a06b
1550594320b
hex2ff9d9bcf

12878453711 has 2 divisors, whose sum is σ = 12878453712. Its totient is φ = 12878453710.

The previous prime is 12878453671. The next prime is 12878453771. The reversal of 12878453711 is 11735487821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12878453711 - 210 = 12878452687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12878453771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439226855 + 6439226856.

It is an arithmetic number, because the mean of its divisors is an integer number (6439226856).

Almost surely, 212878453711 is an apocalyptic number.

12878453711 is a deficient number, since it is larger than the sum of its proper divisors (1).

12878453711 is an equidigital number, since it uses as much as digits as its factorization.

12878453711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 47.

The spelling of 12878453711 in words is "twelve billion, eight hundred seventy-eight million, four hundred fifty-three thousand, seven hundred eleven".