Base | Representation |
---|---|
bin | 101110001011… |
… | …110110001100 |
3 | 211210002212220 |
4 | 232023312030 |
5 | 11044412043 |
6 | 1111255340 |
7 | 204623544 |
oct | 56136614 |
9 | 24702786 |
10 | 12107148 |
11 | 691a309 |
12 | 407a550 |
13 | 267b9c1 |
14 | 1872324 |
15 | 10e2483 |
hex | b8bd8c |
12107148 has 24 divisors (see below), whose sum is σ = 28311360. Its totient is φ = 4026960.
The previous prime is 12107141. The next prime is 12107149. The reversal of 12107148 is 84170121.
It is not an unprimeable number, because it can be changed into a prime (12107141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7143 + ... + 8673.
It is an arithmetic number, because the mean of its divisors is an integer number (1179640).
Almost surely, 212107148 is an apocalyptic number.
It is an amenable number.
12107148 is an abundant number, since it is smaller than the sum of its proper divisors (16204212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12107148 is a wasteful number, since it uses less digits than its factorization.
12107148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2197 (or 2195 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 12107148 is about 3479.5327272495. The cubic root of 12107148 is about 229.6222406392.
Adding to 12107148 its reverse (84170121), we get a palindrome (96277269).
The spelling of 12107148 in words is "twelve million, one hundred seven thousand, one hundred forty-eight".
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