Base | Representation |
---|---|
bin | 111000011101001111… |
… | …0011001001100011010 |
3 | 102120221102200202111102 |
4 | 1300322132121030122 |
5 | 3441244433132310 |
6 | 131410312431402 |
7 | 11521305050504 |
oct | 1607236311432 |
9 | 376842622442 |
10 | 121240130330 |
11 | 47465990420 |
12 | 1b5b70a8562 |
13 | b5820bc7b7 |
14 | 5c21d20d74 |
15 | 3248cbb8a5 |
hex | 1c3a79931a |
121240130330 has 64 divisors (see below), whose sum is σ = 240964865280. Its totient is φ = 43553472000.
The previous prime is 121240130293. The next prime is 121240130339. The reversal of 121240130330 is 33031042121.
It is not an unprimeable number, because it can be changed into a prime (121240130339) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 5065331 + ... + 5089209.
It is an arithmetic number, because the mean of its divisors is an integer number (3765076020).
Almost surely, 2121240130330 is an apocalyptic number.
121240130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121240130330 is a deficient number, since it is larger than the sum of its proper divisors (119724734950).
121240130330 is a wasteful number, since it uses less digits than its factorization.
121240130330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24455.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 121240130330 its reverse (33031042121), we get a palindrome (154271172451).
The spelling of 121240130330 in words is "one hundred twenty-one billion, two hundred forty million, one hundred thirty thousand, three hundred thirty".
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