Base | Representation |
---|---|
bin | 111000010110000101… |
… | …0011010010111010110 |
3 | 102120022200212110000010 |
4 | 1300230022122113112 |
5 | 3440302000324342 |
6 | 131330414101050 |
7 | 11512331061006 |
oct | 1605412322726 |
9 | 376280773003 |
10 | 121000011222 |
11 | 47352396382 |
12 | 1b54a7aa786 |
13 | b54442969c |
14 | 5bdc098006 |
15 | 3232b8a29c |
hex | 1c2c29a5d6 |
121000011222 has 8 divisors (see below), whose sum is σ = 242000022456. Its totient is φ = 40333337072.
The previous prime is 121000011203. The next prime is 121000011227. The reversal of 121000011222 is 222110000121.
It is a sphenic number, since it is the product of 3 distinct primes.
121000011222 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 121000011198 and 121000011207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121000011227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10083334263 + ... + 10083334274.
It is an arithmetic number, because the mean of its divisors is an integer number (30250002807).
Almost surely, 2121000011222 is an apocalyptic number.
121000011222 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.
121000011222 is a wasteful number, since it uses less digits than its factorization.
121000011222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20166668542.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 121000011222 its reverse (222110000121), we get a palindrome (343110011343).
The spelling of 121000011222 in words is "one hundred twenty-one billion, eleven thousand, two hundred twenty-two".
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