Base | Representation |
---|---|
bin | 111000111101001000… |
… | …0000010110000000101 |
3 | 102200201000001100221222 |
4 | 1301322100002300011 |
5 | 4000442342011323 |
6 | 132104414050125 |
7 | 11556646532414 |
oct | 1617220026005 |
9 | 380630040858 |
10 | 122310110213 |
11 | 47964961115 |
12 | 1b8554a9945 |
13 | b6c298c2a5 |
14 | 5cc408747b |
15 | 32acbc29c8 |
hex | 1c7a402c05 |
122310110213 has 4 divisors (see below), whose sum is σ = 122943841548. Its totient is φ = 121676378880.
The previous prime is 122310110207. The next prime is 122310110231. The reversal of 122310110213 is 312011013221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14372892769 + 107937217444 = 119887^2 + 328538^2 .
It is a cyclic number.
It is not a de Polignac number, because 122310110213 - 26 = 122310110149 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122310110191 and 122310110200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122310110243) 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, 316865378 + ... + 316865763.
It is an arithmetic number, because the mean of its divisors is an integer number (30735960387).
Almost surely, 2122310110213 is an apocalyptic number.
It is an amenable number.
122310110213 is a deficient number, since it is larger than the sum of its proper divisors (633731335).
122310110213 is an equidigital number, since it uses as much as digits as its factorization.
122310110213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 633731334.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 122310110213 its reverse (312011013221), we get a palindrome (434321123434).
The spelling of 122310110213 in words is "one hundred twenty-two billion, three hundred ten million, one hundred ten thousand, two hundred thirteen".
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