Base | Representation |
---|---|
bin | 111000000001100101… |
… | …0101010101100000110 |
3 | 102111112202122122011101 |
4 | 1300003022222230012 |
5 | 3432344411242410 |
6 | 131134244130314 |
7 | 11456306634100 |
oct | 1600312525406 |
9 | 374482578141 |
10 | 120312212230 |
11 | 4702a11a861 |
12 | 1b39839699a |
13 | b464a9c932 |
14 | 5b749b8570 |
15 | 31e25c7d3a |
hex | 1c032aab06 |
120312212230 has 24 divisors (see below), whose sum is σ = 251919041328. Its totient is φ = 41249901168.
The previous prime is 120312212221. The next prime is 120312212233. The reversal of 120312212230 is 32212213021.
It is a junction number, because it is equal to n+sod(n) for n = 120312212198 and 120312212207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120312212233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122767074 + ... + 122768053.
It is an arithmetic number, because the mean of its divisors is an integer number (10496626722).
Almost surely, 2120312212230 is an apocalyptic number.
120312212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120312212230 is an abundant number, since it is smaller than the sum of its proper divisors (131606829098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120312212230 is a wasteful number, since it uses less digits than its factorization.
120312212230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245535148 (or 245535141 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 120312212230 its reverse (32212213021), we get a palindrome (152524425251).
The spelling of 120312212230 in words is "one hundred twenty billion, three hundred twelve million, two hundred twelve thousand, two hundred thirty".
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