Base | Representation |
---|---|
bin | 111000110111001110… |
… | …1011111101111000011 |
3 | 102200012012212002100222 |
4 | 1301232131133233003 |
5 | 4000041222411321 |
6 | 132033030333255 |
7 | 11552025340133 |
oct | 1615635375703 |
9 | 380165762328 |
10 | 122112310211 |
11 | 47873241041 |
12 | 1b7bb1ba22b |
13 | b6909c5478 |
14 | 5ca5ab8ac3 |
15 | 329a6503ab |
hex | 1c6e75fbc3 |
122112310211 has 8 divisors (see below), whose sum is σ = 128117835648. Its totient is φ = 116235936000.
The previous prime is 122112310163. The next prime is 122112310219. The reversal of 122112310211 is 112013211221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122112310211 - 222 = 122108115907 is a prime.
It is a super-2 number, since 2×1221123102112 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122112310211.
It is not an unprimeable number, because it can be changed into a prime (122112310219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32285870 + ... + 32289651.
It is an arithmetic number, because the mean of its divisors is an integer number (16014729456).
Almost surely, 2122112310211 is an apocalyptic number.
122112310211 is a deficient number, since it is larger than the sum of its proper divisors (6005525437).
122112310211 is an equidigital number, since it uses as much as digits as its factorization.
122112310211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64575613.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 122112310211 its reverse (112013211221), we get a palindrome (234125521432).
The spelling of 122112310211 in words is "one hundred twenty-two billion, one hundred twelve million, three hundred ten thousand, two hundred eleven".
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