Base | Representation |
---|---|
bin | 1011000101101000100011… |
… | …0010000100010100000000 |
3 | 1121011111011110112210212220 |
4 | 2301122020302010110000 |
5 | 3044221002433343123 |
6 | 41532353553451040 |
7 | 2365541361200325 |
oct | 261321062042400 |
9 | 47144143483786 |
10 | 12191412012288 |
11 | 39803922847a3 |
12 | 144a93b270a80 |
13 | 6a5850717812 |
14 | 3020d3298b4c |
15 | 1621d7450ce3 |
hex | b1688c84500 |
12191412012288 has 72 divisors (see below), whose sum is σ = 32447529067296. Its totient is φ = 4063729612800.
The previous prime is 12191412012271. The next prime is 12191412012289. The reversal of 12191412012288 is 88221021419121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12191412012289) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55902178 + ... + 56119838.
Almost surely, 212191412012288 is an apocalyptic number.
It is an amenable number.
12191412012288 is an abundant number, since it is smaller than the sum of its proper divisors (20256117055008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12191412012288 is an equidigital number, since it uses as much as digits as its factorization.
12191412012288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290611 (or 290597 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 42.
The spelling of 12191412012288 in words is "twelve trillion, one hundred ninety-one billion, four hundred twelve million, twelve thousand, two hundred eighty-eight".
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