Base | Representation |
---|---|
bin | 10010101111011000… |
… | …001000111101001010 |
3 | 1220221100111012000120 |
4 | 102233120020331022 |
5 | 312202241210442 |
6 | 13124412444110 |
7 | 1311434651430 |
oct | 225730107512 |
9 | 56840435016 |
10 | 20122210122 |
11 | 8596510323 |
12 | 3a96a79636 |
13 | 1b88ac6811 |
14 | d8c618d50 |
15 | 7cb85b4ec |
hex | 4af608f4a |
20122210122 has 32 divisors (see below), whose sum is σ = 46623679872. Its totient is φ = 5670445824.
The previous prime is 20122210109. The next prime is 20122210183. The reversal of 20122210122 is 22101222102.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3278443 + ... + 3284574.
It is an arithmetic number, because the mean of its divisors is an integer number (1456989996).
Almost surely, 220122210122 is an apocalyptic number.
20122210122 is an abundant number, since it is smaller than the sum of its proper divisors (26501469750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122210122 is a wasteful number, since it uses less digits than its factorization.
20122210122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6563102.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 20122210122 its reverse (22101222102), we get a palindrome (42223432224).
The spelling of 20122210122 in words is "twenty billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".
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