Base | Representation |
---|---|
bin | 11011100010011001011011… |
… | …010101100110100011011000 |
3 | 120212211002201020022002010020 |
4 | 123202121123111212203120 |
5 | 111333240332132432300 |
6 | 1105325345023350440 |
7 | 34336660661115120 |
oct | 3342313325464330 |
9 | 525732636262106 |
10 | 121111020202200 |
11 | 35653993601226 |
12 | 11700163752420 |
13 | 5276949383a42 |
14 | 21c9b39d85c80 |
15 | e005978368a0 |
hex | 6e265b5668d8 |
121111020202200 has 192 divisors, whose sum is σ = 433900157184000. Its totient is φ = 27371479280640.
The previous prime is 121111020202189. The next prime is 121111020202301. The reversal of 121111020202200 is 2202020111121.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 121111020202200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161625960 + ... + 162373559.
It is an arithmetic number, because the mean of its divisors is an integer number (2259896652000).
Almost surely, 2121111020202200 is an apocalyptic number.
121111020202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121111020202200 is an abundant number, since it is smaller than the sum of its proper divisors (312789136981800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121111020202200 is a wasteful number, since it uses less digits than its factorization.
121111020202200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 323999634 (or 323999625 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 121111020202200 its reverse (2202020111121), we get a palindrome (123313040313321).
The spelling of 121111020202200 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty million, two hundred two thousand, two hundred".
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