Base | Representation |
---|---|
bin | 11011110010100010011011… |
… | …101110011101010101001101 |
3 | 121000202010201000120122001011 |
4 | 123302202123232131111031 |
5 | 112004423433204202341 |
6 | 1111535104035245221 |
7 | 34513055354042212 |
oct | 3362423356352515 |
9 | 530663630518034 |
10 | 122220202022221 |
11 | 35a41329849526 |
12 | 1185b116449811 |
13 | 532741449c6c4 |
14 | 22276bca73b09 |
15 | e1e36442bb81 |
hex | 6f289bb9d54d |
122220202022221 has 8 divisors (see below), whose sum is σ = 124372519099488. Its totient is φ = 120086359770000.
The previous prime is 122220202022209. The next prime is 122220202022251.
122220202022221 is nontrivially palindromic in base 10.
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 122220202022221 - 25 = 122220202022189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122220202022192 and 122220202022201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122220202022251) 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, 4618692915 + ... + 4618719376.
It is an arithmetic number, because the mean of its divisors is an integer number (15546564887436).
Almost surely, 2122220202022221 is an apocalyptic number.
It is an amenable number.
122220202022221 is a deficient number, since it is larger than the sum of its proper divisors (2152317077267).
122220202022221 is a wasteful number, since it uses less digits than its factorization.
122220202022221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9237412523.
The product of its (nonzero) digits is 1024, while the sum is 22.
It can be divided in two parts, 12222020 and 2022221, that added together give a palindrome (14244241).
The spelling of 122220202022221 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred two million, twenty-two thousand, two hundred twenty-one".
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