Base | Representation |
---|---|
bin | 1110100101001… |
… | …00111010101000 |
3 | 22112011000012120 |
4 | 13102210322220 |
5 | 222302412222 |
6 | 20045311240 |
7 | 3013422555 |
oct | 722447250 |
9 | 275130176 |
10 | 122310312 |
11 | 6304a603 |
12 | 34b65520 |
13 | 1c455687 |
14 | 1235ba2c |
15 | ab1015c |
hex | 74a4ea8 |
122310312 has 32 divisors (see below), whose sum is σ = 308016000. Its totient is φ = 40471424.
The previous prime is 122310311. The next prime is 122310319. The reversal of 122310312 is 213013221.
It is a junction number, because it is equal to n+sod(n) for n = 122310291 and 122310300.
It is not an unprimeable number, because it can be changed into a prime (122310311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15312 + ... + 21887.
It is an arithmetic number, because the mean of its divisors is an integer number (9625500).
Almost surely, 2122310312 is an apocalyptic number.
122310312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122310312 is an abundant number, since it is smaller than the sum of its proper divisors (185705688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122310312 is a wasteful number, since it uses less digits than its factorization.
122310312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37345 (or 37341 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 122310312 is about 11059.3992603577. The cubic root of 122310312 is about 496.3877149741.
Adding to 122310312 its reverse (213013221), we get a palindrome (335323533).
The spelling of 122310312 in words is "one hundred twenty-two million, three hundred ten thousand, three hundred twelve".
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