Base | Representation |
---|---|
bin | 100111011011001001… |
… | …001110101000111111 |
3 | 11001021010212122012210 |
4 | 213123021032220333 |
5 | 1143143310211411 |
6 | 31240255231503 |
7 | 3026003261343 |
oct | 473311165077 |
9 | 131233778183 |
10 | 42331335231 |
11 | 16a52a31779 |
12 | 8254818593 |
13 | 3cb8079373 |
14 | 2098075623 |
15 | 117b4e7ca6 |
hex | 9db24ea3f |
42331335231 has 64 divisors (see below), whose sum is σ = 62168311296. Its totient is φ = 25514496000.
The previous prime is 42331335187. The next prime is 42331335239. The reversal of 42331335231 is 13253313324.
It is not a de Polignac number, because 42331335231 - 214 = 42331318847 is a prime.
It is a super-2 number, since 2×423313352312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42331335239) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47939916 + ... + 47940798.
It is an arithmetic number, because the mean of its divisors is an integer number (971379864).
Almost surely, 242331335231 is an apocalyptic number.
42331335231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
42331335231 is a deficient number, since it is larger than the sum of its proper divisors (19836976065).
42331335231 is a wasteful number, since it uses less digits than its factorization.
42331335231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1272.
The product of its digits is 19440, while the sum is 30.
Adding to 42331335231 its reverse (13253313324), we get a palindrome (55584648555).
The spelling of 42331335231 in words is "forty-two billion, three hundred thirty-one million, three hundred thirty-five thousand, two hundred thirty-one".
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