Base | Representation |
---|---|
bin | 101110001110… |
… | …001101111100 |
3 | 211210121012121 |
4 | 232032031330 |
5 | 11100214420 |
6 | 1111412324 |
7 | 204664060 |
oct | 56161574 |
9 | 24717177 |
10 | 12116860 |
11 | 6926638 |
12 | 40840a4 |
13 | 2683252 |
14 | 1875aa0 |
15 | 10e52aa |
hex | b8e37c |
12116860 has 96 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 3843840.
The previous prime is 12116843. The next prime is 12116861. The reversal of 12116860 is 6861121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12116861) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170625 + ... + 170695.
It is an arithmetic number, because the mean of its divisors is an integer number (326592).
Almost surely, 212116860 is an apocalyptic number.
12116860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12116860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676416).
12116860 is an abundant number, since it is smaller than the sum of its proper divisors (19235972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12116860 is a wasteful number, since it uses less digits than its factorization.
12116860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163 (or 161 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 25.
The square root of 12116860 is about 3480.9280371763. The cubic root of 12116860 is about 229.6836229774.
Adding to 12116860 its reverse (6861121), we get a palindrome (18977981).
The spelling of 12116860 in words is "twelve million, one hundred sixteen thousand, eight hundred sixty".
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