Base | Representation |
---|---|
bin | 100111010101110101… |
… | …101010011100000011 |
3 | 11001000221101012110020 |
4 | 213111311222130003 |
5 | 1143003013221011 |
6 | 31223355304523 |
7 | 3023542540164 |
oct | 472565523403 |
9 | 131027335406 |
10 | 42242320131 |
11 | 16a07763380 |
12 | 822aa4b143 |
13 | 3ca27b07cb |
14 | 208a30376b |
15 | 11737b3006 |
hex | 9d5d6a703 |
42242320131 has 16 divisors (see below), whose sum is σ = 62941995648. Its totient is φ = 24976980800.
The previous prime is 42242320123. The next prime is 42242320187. The reversal of 42242320131 is 13102324224.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 42242320131 - 23 = 42242320123 is a prime.
It is a super-3 number, since 3×422423201313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (42242320031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15609261 + ... + 15611966.
It is an arithmetic number, because the mean of its divisors is an integer number (3933874728).
Almost surely, 242242320131 is an apocalyptic number.
42242320131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
42242320131 is a deficient number, since it is larger than the sum of its proper divisors (20699675517).
42242320131 is a wasteful number, since it uses less digits than its factorization.
42242320131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31221282.
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 42242320131 its reverse (13102324224), we get a palindrome (55344644355).
The spelling of 42242320131 in words is "forty-two billion, two hundred forty-two million, three hundred twenty thousand, one hundred thirty-one".
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