Base | Representation |
---|---|
bin | 111000011100111110… |
… | …0101110001010100010 |
3 | 102120220211002022010111 |
4 | 1300321330232022202 |
5 | 3441240203201310 |
6 | 131405355321534 |
7 | 11521140035014 |
oct | 1607174561242 |
9 | 376824068114 |
10 | 121231303330 |
11 | 47460a01585 |
12 | 1b5b41502aa |
13 | b58031bb17 |
14 | 5c20aa41b4 |
15 | 324812628a |
hex | 1c39f2e2a2 |
121231303330 has 16 divisors (see below), whose sum is σ = 225741048120. Its totient is φ = 46820365312.
The previous prime is 121231303321. The next prime is 121231303331. The reversal of 121231303330 is 33303132121.
121231303330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 53621422969 + 67609880361 = 231563^2 + 260019^2 .
It is not an unprimeable number, because it can be changed into a prime (121231303331) 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 7 ways as a sum of consecutive naturals, for example, 209019199 + ... + 209019778.
Almost surely, 2121231303330 is an apocalyptic number.
121231303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121231303330 is a deficient number, since it is larger than the sum of its proper divisors (104509744790).
121231303330 is a wasteful number, since it uses less digits than its factorization.
121231303330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418039013.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 121231303330 its reverse (33303132121), we get a palindrome (154534435451).
The spelling of 121231303330 in words is "one hundred twenty-one billion, two hundred thirty-one million, three hundred three thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •