Base | Representation |
---|---|
bin | 10110100011000110… |
… | …00110101001101111 |
3 | 1011020122202221001111 |
4 | 23101203012221233 |
5 | 144243011400043 |
6 | 5321120252451 |
7 | 605662455433 |
oct | 132143065157 |
9 | 34218687044 |
10 | 12105575023 |
11 | 5152310763 |
12 | 241a171127 |
13 | 11abcaaa59 |
14 | 82ba609c3 |
15 | 4acb7709d |
hex | 2d18c6a6f |
12105575023 has 2 divisors, whose sum is σ = 12105575024. Its totient is φ = 12105575022.
The previous prime is 12105574973. The next prime is 12105575029. The reversal of 12105575023 is 32057550121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12105575023 - 229 = 11568704111 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12105575029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052787511 + 6052787512.
It is an arithmetic number, because the mean of its divisors is an integer number (6052787512).
Almost surely, 212105575023 is an apocalyptic number.
12105575023 is a deficient number, since it is larger than the sum of its proper divisors (1).
12105575023 is an equidigital number, since it uses as much as digits as its factorization.
12105575023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10500, while the sum is 31.
The spelling of 12105575023 in words is "twelve billion, one hundred five million, five hundred seventy-five thousand, twenty-three".
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