Base | Representation |
---|---|
bin | 111000111010110001… |
… | …1011100011100110011 |
3 | 102200111111202220120102 |
4 | 1301311203130130303 |
5 | 4000312203411011 |
6 | 132052521103015 |
7 | 11555001664520 |
oct | 1616543343463 |
9 | 380444686512 |
10 | 122231310131 |
11 | 4792442a487 |
12 | 1b833027a6b |
13 | b6ac55c118 |
14 | 5cb7814147 |
15 | 32a5d0973b |
hex | 1c758dc733 |
122231310131 has 32 divisors (see below), whose sum is σ = 150544128000. Its totient is φ = 96904138752.
The previous prime is 122231310083. The next prime is 122231310191. The reversal of 122231310131 is 131013132221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122231310131 - 218 = 122231047987 is a prime.
It is a super-2 number, since 2×1222313101312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122231310191) 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, 2532755 + ... + 2580563.
It is an arithmetic number, because the mean of its divisors is an integer number (4704504000).
Almost surely, 2122231310131 is an apocalyptic number.
122231310131 is a deficient number, since it is larger than the sum of its proper divisors (28312817869).
122231310131 is a wasteful number, since it uses less digits than its factorization.
122231310131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48291.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 122231310131 its reverse (131013132221), we get a palindrome (253244442352).
The spelling of 122231310131 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred ten thousand, one hundred thirty-one".
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