Base | Representation |
---|---|
bin | 111000011001011011… |
… | …0011011011011101110 |
3 | 102120121111222220020001 |
4 | 1300302312123123232 |
5 | 3441014211310410 |
6 | 131345503014514 |
7 | 11515162553401 |
oct | 1606266333356 |
9 | 376544886201 |
10 | 121112213230 |
11 | 473aa761408 |
12 | 1b58029a43a |
13 | b5617530c8 |
14 | 5c0cd43d38 |
15 | 323c95033a |
hex | 1c32d9b6ee |
121112213230 has 8 divisors (see below), whose sum is σ = 218001983832. Its totient is φ = 48444885288.
The previous prime is 121112213213. The next prime is 121112213231. The reversal of 121112213230 is 32312211121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 121112213198 and 121112213207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121112213231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055610652 + ... + 6055610671.
It is an arithmetic number, because the mean of its divisors is an integer number (27250247979).
Almost surely, 2121112213230 is an apocalyptic number.
121112213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121112213230 is a deficient number, since it is larger than the sum of its proper divisors (96889770602).
121112213230 is a wasteful number, since it uses less digits than its factorization.
121112213230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12111221330.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 121112213230 its reverse (32312211121), we get a palindrome (153424424351).
The spelling of 121112213230 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred thirteen thousand, two hundred thirty".
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