Base | Representation |
---|---|
bin | 101111110011… |
… | …000110111010 |
3 | 212120121002000 |
4 | 233303012322 |
5 | 11201430411 |
6 | 1124321430 |
7 | 211334631 |
oct | 57630672 |
9 | 25517060 |
10 | 12530106 |
11 | 7089066 |
12 | 4243276 |
13 | 2799384 |
14 | 1942518 |
15 | 1177956 |
hex | bf31ba |
12530106 has 32 divisors (see below), whose sum is σ = 28442880. Its totient is φ = 4087008.
The previous prime is 12530099. The next prime is 12530123. The reversal of 12530106 is 60103521.
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 15 ways as a sum of consecutive naturals, for example, 70 + ... + 5006.
It is an arithmetic number, because the mean of its divisors is an integer number (888840).
Almost surely, 212530106 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12530106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14221440).
12530106 is an abundant number, since it is smaller than the sum of its proper divisors (15912774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12530106 is a wasteful number, since it uses less digits than its factorization.
12530106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4995 (or 4989 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 12530106 is about 3539.7889767612. The cubic root of 12530106 is about 232.2656118627.
Adding to 12530106 its reverse (60103521), we get a palindrome (72633627).
The spelling of 12530106 in words is "twelve million, five hundred thirty thousand, one hundred six".
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