Base | Representation |
---|---|
bin | 101110011101… |
… | …100101110110 |
3 | 211220210120211 |
4 | 232131211312 |
5 | 11104223310 |
6 | 1113020034 |
7 | 205345465 |
oct | 56354566 |
9 | 24823524 |
10 | 12179830 |
11 | 6969983 |
12 | 40b461a |
13 | 26a5b00 |
14 | 18909dc |
15 | 1108c8a |
hex | b9d976 |
12179830 has 24 divisors (see below), whose sum is σ = 23743152. Its totient is φ = 4496544.
The previous prime is 12179821. The next prime is 12179851. The reversal of 12179830 is 3897121.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 12179792 and 12179801.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914 + ... + 5293.
It is an arithmetic number, because the mean of its divisors is an integer number (989298).
Almost surely, 212179830 is an apocalyptic number.
12179830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12179830 is a deficient number, since it is larger than the sum of its proper divisors (11563322).
12179830 is a wasteful number, since it uses less digits than its factorization.
12179830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7240 (or 7227 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 12179830 is about 3489.9613178372. The cubic root of 12179830 is about 230.0808159605.
The spelling of 12179830 in words is "twelve million, one hundred seventy-nine thousand, eight hundred thirty".
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