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12884013479 is a prime number
BaseRepresentation
bin10111111111111001…
…00111000110100111
31020020220112200212102
423333330213012213
5202341301412404
65530245042315
7634164210341
oct137774470647
936226480772
1012884013479
115511765027
1225b69b639b
1312a435181c
148a31b6291
1550619071e
hex2fff271a7

12884013479 has 2 divisors, whose sum is σ = 12884013480. Its totient is φ = 12884013478.

The previous prime is 12884013451. The next prime is 12884013511. The reversal of 12884013479 is 97431048821.

It is a weak prime.

It is an emirp because it is prime and its reverse (97431048821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12884013479 - 228 = 12615578023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12884013409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442006739 + 6442006740.

It is an arithmetic number, because the mean of its divisors is an integer number (6442006740).

Almost surely, 212884013479 is an apocalyptic number.

12884013479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12884013479 is an equidigital number, since it uses as much as digits as its factorization.

12884013479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 12884013479 in words is "twelve billion, eight hundred eighty-four million, thirteen thousand, four hundred seventy-nine".