Base | Representation |
---|---|
bin | 1010111111001110101010… |
… | …1010011110110111101101 |
3 | 1120202222011111101120101122 |
4 | 2233303222222132313231 |
5 | 3040420134032311024 |
6 | 41410040041550325 |
7 | 2354564661315446 |
oct | 257635252366755 |
9 | 46688144346348 |
10 | 12081385041389 |
11 | 3938760992a94 |
12 | 14315534a53a5 |
13 | 698367766601 |
14 | 2daa566942cd |
15 | 15e3e7ccbd5e |
hex | afceaa9eded |
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".
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