Base | Representation |
---|---|
bin | 111000111010011110… |
… | …0001100011110110001 |
3 | 102200110210102011200101 |
4 | 1301310330030132301 |
5 | 4000302040133410 |
6 | 132051512352401 |
7 | 11554515352411 |
oct | 1616474143661 |
9 | 380423364611 |
10 | 122221021105 |
11 | 47919642157 |
12 | 1b82b6a5701 |
13 | b6aa398b41 |
14 | 5cb62d6641 |
15 | 32a4e75d3a |
hex | 1c74f0c7b1 |
122221021105 has 8 divisors (see below), whose sum is σ = 147005518464. Its totient is φ = 97549954800.
The previous prime is 122221021103. The next prime is 122221021157. The reversal of 122221021105 is 501120122221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122221021105 - 21 = 122221021103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122221021103) 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, 28355391 + ... + 28359700.
It is an arithmetic number, because the mean of its divisors is an integer number (18375689808).
Almost surely, 2122221021105 is an apocalyptic number.
It is an amenable number.
122221021105 is a deficient number, since it is larger than the sum of its proper divisors (24784497359).
122221021105 is an equidigital number, since it uses as much as digits as its factorization.
122221021105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56715527.
The product of its (nonzero) digits is 160, while the sum is 19.
Adding to 122221021105 its reverse (501120122221), we get a palindrome (623341143326).
The spelling of 122221021105 in words is "one hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred five".
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