Base | Representation |
---|---|
bin | 111000111010011110… |
… | …0001100101110110011 |
3 | 102200110210102020002101 |
4 | 1301310330030232303 |
5 | 4000302040202011 |
6 | 132051512401231 |
7 | 11554515355405 |
oct | 1616474145663 |
9 | 380423366071 |
10 | 122221022131 |
11 | 479196429aa |
12 | 1b82b6a6217 |
13 | b6aa399450 |
14 | 5cb62d6b75 |
15 | 32a4e762c1 |
hex | 1c74f0cbb3 |
122221022131 has 32 divisors (see below), whose sum is σ = 134100377600. Its totient is φ = 110721219840.
The previous prime is 122221022117. The next prime is 122221022149. The reversal of 122221022131 is 131220122221.
It is a cyclic number.
It is not a de Polignac number, because 122221022131 - 211 = 122221020083 is a prime.
It is a super-2 number, since 2×1222210221312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122221022099 and 122221022108.
It is not an unprimeable number, because it can be changed into a prime (122221022731) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75960055 + ... + 75961663.
It is an arithmetic number, because the mean of its divisors is an integer number (4190636800).
Almost surely, 2122221022131 is an apocalyptic number.
122221022131 is a deficient number, since it is larger than the sum of its proper divisors (11879355469).
122221022131 is a wasteful number, since it uses less digits than its factorization.
122221022131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2219.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 122221022131 its reverse (131220122221), we get a palindrome (253441144352).
The spelling of 122221022131 in words is "one hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, one hundred thirty-one".
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