Base | Representation |
---|---|
bin | 10110111011100110… |
… | …00111111100000111 |
3 | 1011202222111201221210 |
4 | 23131303013330013 |
5 | 200203120214231 |
6 | 5353341342503 |
7 | 614036430204 |
oct | 133563077407 |
9 | 34688451853 |
10 | 12311101191 |
11 | 52483285a4 |
12 | 2476b67a33 |
13 | 121274b47c |
14 | 84b080cab |
15 | 4c0c23a46 |
hex | 2ddcc7f07 |
12311101191 has 32 divisors (see below), whose sum is σ = 17840661696. Its totient is φ = 7522560000.
The previous prime is 12311101183. The next prime is 12311101211. The reversal of 12311101191 is 19110111321.
It is not a de Polignac number, because 12311101191 - 23 = 12311101183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12311101151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294621 + ... + 333801.
It is an arithmetic number, because the mean of its divisors is an integer number (557520678).
Almost surely, 212311101191 is an apocalyptic number.
12311101191 is a deficient number, since it is larger than the sum of its proper divisors (5529560505).
12311101191 is a wasteful number, since it uses less digits than its factorization.
12311101191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39363.
The product of its (nonzero) digits is 54, while the sum is 21.
The spelling of 12311101191 in words is "twelve billion, three hundred eleven million, one hundred one thousand, one hundred ninety-one".
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