Base | Representation |
---|---|
bin | 101110001010… |
… | …011000101110 |
3 | 211202210200100 |
4 | 232022120232 |
5 | 11044214131 |
6 | 1111211530 |
7 | 204600240 |
oct | 56123056 |
9 | 24683610 |
10 | 12101166 |
11 | 6915870 |
12 | 4076ba6 |
13 | 267906c |
14 | 1870090 |
15 | 10e07e6 |
hex | b8a62e |
12101166 has 48 divisors (see below), whose sum is σ = 32692608. Its totient is φ = 3142800.
The previous prime is 12101153. The next prime is 12101171. The reversal of 12101166 is 66110121.
12101166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2980 + ... + 5751.
It is an arithmetic number, because the mean of its divisors is an integer number (681096).
Almost surely, 212101166 is an apocalyptic number.
12101166 is an abundant number, since it is smaller than the sum of its proper divisors (20591442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12101166 is a wasteful number, since it uses less digits than its factorization.
12101166 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8757 (or 8754 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 12101166 is about 3478.6730228637. The cubic root of 12101166 is about 229.5844165226.
Adding to 12101166 its reverse (66110121), we get a palindrome (78211287).
The spelling of 12101166 in words is "twelve million, one hundred one thousand, one hundred sixty-six".
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