Base | Representation |
---|---|
bin | 111000010110101101… |
… | …1101011000001101100 |
3 | 102120101011221200201202 |
4 | 1300231123223001230 |
5 | 3440322424010012 |
6 | 131332454425032 |
7 | 11513010121466 |
oct | 1605533530154 |
9 | 376334850652 |
10 | 121021313132 |
11 | 47363415865 |
12 | 1b555962178 |
13 | b548977575 |
14 | 5c00c41136 |
15 | 3234996cc2 |
hex | 1c2d6eb06c |
121021313132 has 24 divisors (see below), whose sum is σ = 216499953600. Its totient is φ = 59166642560.
The previous prime is 121021313099. The next prime is 121021313197. The reversal of 121021313132 is 231313120121.
It is a happy number.
121021313132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109619 + ... + 504042.
It is an arithmetic number, because the mean of its divisors is an integer number (9020831400).
Almost surely, 2121021313132 is an apocalyptic number.
It is an amenable number.
121021313132 is a deficient number, since it is larger than the sum of its proper divisors (95478640468).
121021313132 is a wasteful number, since it uses less digits than its factorization.
121021313132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 614761 (or 614759 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 121021313132 its reverse (231313120121), we get a palindrome (352334433253).
The spelling of 121021313132 in words is "one hundred twenty-one billion, twenty-one million, three hundred thirteen thousand, one hundred thirty-two".
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