Base | Representation |
---|---|
bin | 1110011011001… |
… | …01000110001010 |
3 | 22102200110020201 |
4 | 13031211012022 |
5 | 221434002310 |
6 | 20001242414 |
7 | 2666325433 |
oct | 715450612 |
9 | 272613221 |
10 | 121000330 |
11 | 62335380 |
12 | 3463340a |
13 | 1c0b7339 |
14 | 120da48a |
15 | a951e3a |
hex | 736518a |
121000330 has 32 divisors (see below), whose sum is σ = 240962688. Its totient is φ = 43377600.
The previous prime is 121000301. The next prime is 121000331. The reversal of 121000330 is 33000121.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (121000331) 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, 64 + ... + 15556.
It is an arithmetic number, because the mean of its divisors is an integer number (7530084).
Almost surely, 2121000330 is an apocalyptic number.
121000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121000330 is a deficient number, since it is larger than the sum of its proper divisors (119962358).
121000330 is a wasteful number, since it uses less digits than its factorization.
121000330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15582.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 121000330 is about 11000.0149999898. The cubic root of 121000330 is about 494.6091939688.
Adding to 121000330 its reverse (33000121), we get a palindrome (154000451).
The spelling of 121000330 in words is "one hundred twenty-one million, three hundred thirty", and thus it is an aban number.
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