Base | Representation |
---|---|
bin | 10001101000111101011… |
… | …110010001000111101101 |
3 | 11021212221010222012010201 |
4 | 101220331132101013231 |
5 | 124330102300401333 |
6 | 2324514344433501 |
7 | 153402514012360 |
oct | 21507536210755 |
9 | 4255833865121 |
10 | 1212212122093 |
11 | 428107160185 |
12 | 176b27478891 |
13 | 8a40768c25b |
14 | 429583a20d7 |
15 | 217ebdac17d |
hex | 11a3d7911ed |
1212212122093 has 8 divisors (see below), whose sum is σ = 1385393349888. Its totient is φ = 1039032911184.
The previous prime is 1212212122049. The next prime is 1212212122129. The reversal of 1212212122093 is 3902212122121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1212212122093 - 229 = 1211675251181 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212212122393) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142055 + ... + 1930987.
It is an arithmetic number, because the mean of its divisors is an integer number (173174168736).
Almost surely, 21212212122093 is an apocalyptic number.
It is an amenable number.
1212212122093 is a deficient number, since it is larger than the sum of its proper divisors (173181227795).
1212212122093 is an equidigital number, since it uses as much as digits as its factorization.
1212212122093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008443.
The product of its (nonzero) digits is 1728, while the sum is 28.
Adding to 1212212122093 its sum of digits (28), we get a palindrome (1212212122121).
The spelling of 1212212122093 in words is "one trillion, two hundred twelve billion, two hundred twelve million, one hundred twenty-two thousand, ninety-three".
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