Base | Representation |
---|---|
bin | 10110101011001111… |
… | …00110101000101110 |
3 | 1011102102021100012020 |
4 | 23111213212220232 |
5 | 144413002112340 |
6 | 5332000051010 |
7 | 610452063216 |
oct | 132547465056 |
9 | 34372240166 |
10 | 12173863470 |
11 | 518791289a |
12 | 2439003a66 |
13 | 11c019a512 |
14 | 836b59246 |
15 | 4b3b659d0 |
hex | 2d59e6a2e |
12173863470 has 32 divisors (see below), whose sum is σ = 29229932160. Its totient is φ = 3244956960.
The previous prime is 12173863441. The next prime is 12173863517. The reversal of 12173863470 is 7436837121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16576 + ... + 156915.
It is an arithmetic number, because the mean of its divisors is an integer number (913435380).
Almost surely, 212173863470 is an apocalyptic number.
12173863470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12173863470 is an abundant number, since it is smaller than the sum of its proper divisors (17056068690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12173863470 is a wasteful number, since it uses less digits than its factorization.
12173863470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175840.
The product of its (nonzero) digits is 169344, while the sum is 42.
The spelling of 12173863470 in words is "twelve billion, one hundred seventy-three million, eight hundred sixty-three thousand, four hundred seventy".
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