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12886716399 = 329314778167
BaseRepresentation
bin11000000000001101…
…11010111111101111
31020021002122000120120
430000012322333233
5202342444411044
65530423020023
7634226165514
oct140006727757
936232560516
1012886716399
115513240847
1225b789a613
1312a4a89b9b
148a36bb30b
15506526519
hex3001bafef

12886716399 has 16 divisors (see below), whose sum is σ = 18348165120. Its totient is φ = 8027318880.

The previous prime is 12886716383. The next prime is 12886716413. The reversal of 12886716399 is 99361768821.

It is not a de Polignac number, because 12886716399 - 24 = 12886716383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886716319) 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 in 15 ways as a sum of consecutive naturals, for example, 2386387 + ... + 2391780.

It is an arithmetic number, because the mean of its divisors is an integer number (1146760320).

Almost surely, 212886716399 is an apocalyptic number.

12886716399 is a deficient number, since it is larger than the sum of its proper divisors (5461448721).

12886716399 is a wasteful number, since it uses less digits than its factorization.

12886716399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778230.

The product of its digits is 7838208, while the sum is 60.

The spelling of 12886716399 in words is "twelve billion, eight hundred eighty-six million, seven hundred sixteen thousand, three hundred ninety-nine".

Divisors: 1 3 29 31 87 93 899 2697 4778167 14334501 138566843 148123177 415700529 444369531 4295572133 12886716399