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12081385041389 = 174316527202519
BaseRepresentation
bin1010111111001110101010…
…1010011110110111101101
31120202222011111101120101122
42233303222222132313231
53040420134032311024
641410040041550325
72354564661315446
oct257635252366755
946688144346348
1012081385041389
113938760992a94
1214315534a53a5
13698367766601
142daa566942cd
1515e3e7ccbd5e
hexafceaa9eded

12081385041389 has 8 divisors (see below), whose sum is σ = 13089544395840. Its totient is φ = 11106280092096.

The previous prime is 12081385041353. The next prime is 12081385041449. The reversal of 12081385041389 is 98314058318021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12081385041389 - 216 = 12081384975853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12081385041389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081385041889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8263600529 + ... + 8263601990.

It is an arithmetic number, because the mean of its divisors is an integer number (1636193049480).

Almost surely, 212081385041389 is an apocalyptic number.

It is an amenable number.

12081385041389 is a deficient number, since it is larger than the sum of its proper divisors (1008159354451).

12081385041389 is a wasteful number, since it uses less digits than its factorization.

12081385041389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16527202579.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 12081385041389 in words is "twelve trillion, eighty-one billion, three hundred eighty-five million, forty-one thousand, three hundred eighty-nine".

Divisors: 1 17 43 731 16527202519 280962442823 710669708317 12081385041389