Base | Representation |
---|---|
bin | 101110010001… |
… | …101101110000 |
3 | 211211022212010 |
4 | 232101231300 |
5 | 11101144214 |
6 | 1112002520 |
7 | 205053612 |
oct | 56215560 |
9 | 24738763 |
10 | 12131184 |
11 | 693637a |
12 | 4090440 |
13 | 2689920 |
14 | 187adb2 |
15 | 10e9659 |
hex | b91b70 |
12131184 has 40 divisors (see below), whose sum is σ = 33751312. Its totient is φ = 3732480.
The previous prime is 12131179. The next prime is 12131219. The reversal of 12131184 is 48113121.
It is a happy number.
12131184 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 12131184.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097 + ... + 10344.
Almost surely, 212131184 is an apocalyptic number.
It is an amenable number.
12131184 is an abundant number, since it is smaller than the sum of its proper divisors (21620128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131184 is a wasteful number, since it uses less digits than its factorization.
12131184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19465 (or 19459 counting only the distinct ones).
The product of its digits is 192, while the sum is 21.
The square root of 12131184 is about 3482.9849267546. The cubic root of 12131184 is about 229.7740945089.
The spelling of 12131184 in words is "twelve million, one hundred thirty-one thousand, one hundred eighty-four".
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