Base | Representation |
---|---|
bin | 10111001010111111… |
… | …01001011011010010 |
3 | 1012002222110022100010 |
4 | 23211133221123102 |
5 | 200434143310302 |
6 | 5414232535350 |
7 | 620165032104 |
oct | 134537513322 |
9 | 35088408303 |
10 | 12440213202 |
11 | 53041a333a |
12 | 24b2251556 |
13 | 1233415a01 |
14 | 86028d574 |
15 | 4cc22916c |
hex | 2e57e96d2 |
12440213202 has 8 divisors (see below), whose sum is σ = 24880426416. Its totient is φ = 4146737732.
The previous prime is 12440213179. The next prime is 12440213249. The reversal of 12440213202 is 20231204421.
It is a sphenic number, since it is the product of 3 distinct primes.
12440213202 is an admirable number.
It is a super-2 number, since 2×124402132022 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036684428 + ... + 1036684439.
It is an arithmetic number, because the mean of its divisors is an integer number (3110053302).
Almost surely, 212440213202 is an apocalyptic number.
12440213202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12440213202 is a wasteful number, since it uses less digits than its factorization.
12440213202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2073368872.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 12440213202 its reverse (20231204421), we get a palindrome (32671417623).
The spelling of 12440213202 in words is "twelve billion, four hundred forty million, two hundred thirteen thousand, two hundred two".
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