Base | Representation |
---|---|
bin | 101110001010… |
… | …001000001110 |
3 | 211202202020020 |
4 | 232022020032 |
5 | 11044200420 |
6 | 1111203010 |
7 | 204564201 |
oct | 56121016 |
9 | 24682206 |
10 | 12100110 |
11 | 6914aa0 |
12 | 4076466 |
13 | 2678739 |
14 | 186d938 |
15 | 10e0340 |
hex | b8a20e |
12100110 has 64 divisors (see below), whose sum is σ = 32569344. Its totient is φ = 2851200.
The previous prime is 12100097. The next prime is 12100111. The reversal of 12100110 is 1100121.
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12100111) 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, 11715 + ... + 12705.
It is an arithmetic number, because the mean of its divisors is an integer number (508896).
Almost surely, 212100110 is an apocalyptic number.
12100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16284672).
12100110 is an abundant number, since it is smaller than the sum of its proper divisors (20469234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12100110 is a wasteful number, since it uses less digits than its factorization.
12100110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1049.
The product of its (nonzero) digits is 2, while the sum is 6.
The square root of 12100110 is about 3478.5212375376. The cubic root of 12100110 is about 229.5777381525.
Adding to 12100110 its reverse (1100121), we get a palindrome (13200231).
It can be divided in two parts, 12100 and 110, that multiplied together give a cube (1331000 = 1103).
The spelling of 12100110 in words is "twelve million, one hundred thousand, one hundred ten".
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