Base | Representation |
---|---|
bin | 1110100101001… |
… | …01101111000001 |
3 | 22112011011210202 |
4 | 13102211233001 |
5 | 222303014130 |
6 | 20045334545 |
7 | 3013435415 |
oct | 722455701 |
9 | 275134722 |
10 | 122313665 |
11 | 63052081 |
12 | 34b67455 |
13 | 1c457066 |
14 | 1235cd45 |
15 | ab11145 |
hex | 74a5bc1 |
122313665 has 8 divisors (see below), whose sum is σ = 149546088. Its totient is φ = 96004480.
The previous prime is 122313649. The next prime is 122313713. The reversal of 122313665 is 566313221.
It can be written as a sum of positive squares in 4 ways, for example, as 18905104 + 103408561 = 4348^2 + 10169^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122313665 - 24 = 122313649 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230516 + ... + 231045.
It is an arithmetic number, because the mean of its divisors is an integer number (18693261).
Almost surely, 2122313665 is an apocalyptic number.
It is an amenable number.
122313665 is a deficient number, since it is larger than the sum of its proper divisors (27232423).
122313665 is an equidigital number, since it uses as much as digits as its factorization.
122313665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 461619.
The product of its digits is 6480, while the sum is 29.
The square root of 122313665 is about 11059.5508498311. The cubic root of 122313665 is about 496.3922509035.
Adding to 122313665 its reverse (566313221), we get a palindrome (688626886).
The spelling of 122313665 in words is "one hundred twenty-two million, three hundred thirteen thousand, six hundred sixty-five".
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