Base | Representation |
---|---|
bin | 111000111010001001… |
… | …0111111101111011110 |
3 | 102200110001002110202022 |
4 | 1301310102333233132 |
5 | 4000241304033042 |
6 | 132050445100142 |
7 | 11554324511321 |
oct | 1616422775736 |
9 | 380401073668 |
10 | 122210221022 |
11 | 4791353596a |
12 | 1b827b57652 |
13 | b6a8087066 |
14 | 5cb4ac47b8 |
15 | 32a4040cd2 |
hex | 1c744bfbde |
122210221022 has 4 divisors (see below), whose sum is σ = 183315331536. Its totient is φ = 61105110510.
The previous prime is 122210220961. The next prime is 122210221087. The reversal of 122210221022 is 220122012221.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220122012221 = 2393 ⋅91985797.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552555254 + ... + 30552555257.
It is an arithmetic number, because the mean of its divisors is an integer number (45828832884).
Almost surely, 2122210221022 is an apocalyptic number.
122210221022 is a deficient number, since it is larger than the sum of its proper divisors (61105110514).
122210221022 is an equidigital number, since it uses as much as digits as its factorization.
122210221022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61105110513.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 122210221022 its reverse (220122012221), we get a palindrome (342332233243).
The spelling of 122210221022 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, twenty-two".
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