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12522480779 is a prime number
BaseRepresentation
bin10111010100110010…
…11110010010001011
31012022201020221020102
423222121132102023
5201121223341104
65430332120015
7622214221214
oct135231362213
935281227212
1012522480779
115346683176
12251590600b
13124748b253
1486b18640b
154d4579a1e
hex2ea65e48b

12522480779 has 2 divisors, whose sum is σ = 12522480780. Its totient is φ = 12522480778.

The previous prime is 12522480757. The next prime is 12522480781. The reversal of 12522480779 is 97708422521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12522480779 is a prime.

Together with 12522480781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12522480679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261240389 + 6261240390.

It is an arithmetic number, because the mean of its divisors is an integer number (6261240390).

Almost surely, 212522480779 is an apocalyptic number.

12522480779 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522480779 is an equidigital number, since it uses as much as digits as its factorization.

12522480779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 12522480779 in words is "twelve billion, five hundred twenty-two million, four hundred eighty thousand, seven hundred seventy-nine".