Base | Representation |
---|---|
bin | 111000111001111010… |
… | …0011110011001100011 |
3 | 102200102111000222121000 |
4 | 1301303310132121203 |
5 | 4000232232021011 |
6 | 132050001403043 |
7 | 11554166506155 |
oct | 1616364363143 |
9 | 380374028530 |
10 | 122202220131 |
11 | 47909a70762 |
12 | 1b825339483 |
13 | b6a65153c4 |
14 | 5cb3a00ad5 |
15 | 32a34b0356 |
hex | 1c73d1e663 |
122202220131 has 32 divisors (see below), whose sum is σ = 187104153600. Its totient is φ = 78745720320.
The previous prime is 122202220123. The next prime is 122202220141. The reversal of 122202220131 is 131022202221.
It is not a de Polignac number, because 122202220131 - 23 = 122202220123 is a prime.
It is a super-2 number, since 2×1222022201312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122202220141) 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, 615235 + ... + 789251.
It is an arithmetic number, because the mean of its divisors is an integer number (5847004800).
Almost surely, 2122202220131 is an apocalyptic number.
122202220131 is a deficient number, since it is larger than the sum of its proper divisors (64901933469).
122202220131 is a wasteful number, since it uses less digits than its factorization.
122202220131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174896 (or 174890 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 122202220131 its reverse (131022202221), we get a palindrome (253224422352).
The spelling of 122202220131 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred thirty-one".
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