Base | Representation |
---|---|
bin | 111000011100010101… |
… | …1011111100111111100 |
3 | 102120212100000111022122 |
4 | 1300320223133213330 |
5 | 3441214230310413 |
6 | 131403315102112 |
7 | 11520461041445 |
oct | 1607053374774 |
9 | 376770014278 |
10 | 121210010108 |
11 | 4744a988680 |
12 | 1b5a8ba1938 |
13 | b578aa4b95 |
14 | 5c1bd202cc |
15 | 324631c108 |
hex | 1c38adf9fc |
121210010108 has 24 divisors (see below), whose sum is σ = 231539715120. Its totient is φ = 55062414720.
The previous prime is 121210010099. The next prime is 121210010147. The reversal of 121210010108 is 801010012121.
121210010108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751841 + ... + 898712.
It is an arithmetic number, because the mean of its divisors is an integer number (9647488130).
Almost surely, 2121210010108 is an apocalyptic number.
It is an amenable number.
121210010108 is a deficient number, since it is larger than the sum of its proper divisors (110329705012).
121210010108 is a wasteful number, since it uses less digits than its factorization.
121210010108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1652237 (or 1652235 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 121210010108 its reverse (801010012121), we get a palindrome (922220022229).
The spelling of 121210010108 in words is "one hundred twenty-one billion, two hundred ten million, ten thousand, one hundred eight".
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