Base | Representation |
---|---|
bin | 10110101111100101… |
… | …01100001010000100 |
3 | 1011111221212201202221 |
4 | 23113302230022010 |
5 | 200001320332400 |
6 | 5335341342124 |
7 | 611404020352 |
oct | 132762541204 |
9 | 34457781687 |
10 | 12210324100 |
11 | 51a6456247 |
12 | 2449267944 |
13 | 11c78c5060 |
14 | 83b92a7d2 |
15 | 4b6e68c1a |
hex | 2d7cac284 |
12210324100 has 72 divisors (see below), whose sum is σ = 28590739520. Its totient is φ = 4499556480.
The previous prime is 12210324097. The next prime is 12210324107. The reversal of 12210324100 is 142301221.
It is not an unprimeable number, because it can be changed into a prime (12210324107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670921 + ... + 688879.
Almost surely, 212210324100 is an apocalyptic number.
12210324100 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 12210324100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14295369760).
12210324100 is an abundant number, since it is smaller than the sum of its proper divisors (16380415420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210324100 is a wasteful number, since it uses less digits than its factorization.
12210324100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18509 (or 18502 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12210324100 its reverse (142301221), we get a palindrome (12352625321).
The spelling of 12210324100 in words is "twelve billion, two hundred ten million, three hundred twenty-four thousand, one hundred".
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