Base | Representation |
---|---|
bin | 10001101001000011100… |
… | …100011100010110010010 |
3 | 11021220012021102122212110 |
4 | 101221003210130112102 |
5 | 124330304441413432 |
6 | 2324532441010150 |
7 | 153405165261144 |
oct | 21510344342622 |
9 | 4256167378773 |
10 | 1212314404242 |
11 | 428159970287 |
12 | 176b55783956 |
13 | 8a422921736 |
14 | 42967bc8c94 |
15 | 21805d62dcc |
hex | 11a4391c592 |
1212314404242 has 8 divisors (see below), whose sum is σ = 2424628808496. Its totient is φ = 404104801412.
The previous prime is 1212314404207. The next prime is 1212314404243. The reversal of 1212314404242 is 2424044132121.
It is a sphenic number, since it is the product of 3 distinct primes.
1212314404242 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (1212314404243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101026200348 + ... + 101026200359.
It is an arithmetic number, because the mean of its divisors is an integer number (303078601062).
Almost surely, 21212314404242 is an apocalyptic number.
1212314404242 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.
1212314404242 is a wasteful number, since it uses less digits than its factorization.
1212314404242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202052400712.
The product of its (nonzero) digits is 12288, while the sum is 30.
Adding to 1212314404242 its reverse (2424044132121), we get a palindrome (3636358536363).
The spelling of 1212314404242 in words is "one trillion, two hundred twelve billion, three hundred fourteen million, four hundred four thousand, two hundred forty-two".
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