Base | Representation |
---|---|
bin | 111000011100001001… |
… | …0000000110001010100 |
3 | 102120211212110010010010 |
4 | 1300320102000301110 |
5 | 3441211023031012 |
6 | 131402520000220 |
7 | 11520350210343 |
oct | 1607022006124 |
9 | 376755403103 |
10 | 121203330132 |
11 | 47447135935 |
12 | 1b5a6900070 |
13 | b5775a6531 |
14 | 5c1b0a1b5a |
15 | 324594cc3c |
hex | 1c38480c54 |
121203330132 has 48 divisors (see below), whose sum is σ = 285525313920. Its totient is φ = 40014668928.
The previous prime is 121203330091. The next prime is 121203330139. The reversal of 121203330132 is 231033302121.
It is a junction number, because it is equal to n+sod(n) for n = 121203330099 and 121203330108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121203330139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434994 + ... + 656982.
It is an arithmetic number, because the mean of its divisors is an integer number (5948444040).
Almost surely, 2121203330132 is an apocalyptic number.
121203330132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121203330132 is an abundant number, since it is smaller than the sum of its proper divisors (164321983788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121203330132 is a wasteful number, since it uses less digits than its factorization.
121203330132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222432 (or 222430 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 121203330132 its reverse (231033302121), we get a palindrome (352236632253).
The spelling of 121203330132 in words is "one hundred twenty-one billion, two hundred three million, three hundred thirty thousand, one hundred thirty-two".
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