Base | Representation |
---|---|
bin | 11011100101010011110001… |
… | …101100101001011010001110 |
3 | 120220112020011221001002102112 |
4 | 123211103301230221122032 |
5 | 111400030123444234410 |
6 | 1110001315530424022 |
7 | 34360303266425225 |
oct | 3345236154513216 |
9 | 526466157032375 |
10 | 121311111321230 |
11 | 35720831848506 |
12 | 11732aa5892012 |
13 | 528c7865272ac |
14 | 21d56bc1c5cbc |
15 | e058a8ca9105 |
hex | 6e54f1b2968e |
121311111321230 has 16 divisors (see below), whose sum is σ = 220292389764144. Its totient is φ = 48095024664960.
The previous prime is 121311111321181. The next prime is 121311111321247. The reversal of 121311111321230 is 32123111113121.
121311111321230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 121311111321196 and 121311111321205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53677481756 + ... + 53677484015.
It is an arithmetic number, because the mean of its divisors is an integer number (13768274360259).
Almost surely, 2121311111321230 is an apocalyptic number.
121311111321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121311111321230 is a deficient number, since it is larger than the sum of its proper divisors (98981278442914).
121311111321230 is a wasteful number, since it uses less digits than its factorization.
121311111321230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107354965891.
The product of its (nonzero) digits is 216, while the sum is 23.
Adding to 121311111321230 its reverse (32123111113121), we get a palindrome (153434222434351).
The spelling of 121311111321230 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred eleven million, three hundred twenty-one thousand, two hundred thirty".
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