Base | Representation |
---|---|
bin | 110100001001111001… |
… | …0110101010000010011 |
3 | 101201002120002121111000 |
4 | 1220103302311100103 |
5 | 3313334304222011 |
6 | 123241435153043 |
7 | 11043331564422 |
oct | 1502362652023 |
9 | 351076077430 |
10 | 112001242131 |
11 | 43554865a29 |
12 | 19858ba5783 |
13 | a73bcba74c |
14 | 55c6cc32b9 |
15 | 2da7b53356 |
hex | 1a13cb5413 |
112001242131 has 16 divisors (see below), whose sum is σ = 165932928000. Its totient is φ = 74665171944.
The previous prime is 112001242121. The next prime is 112001242139. The reversal of 112001242131 is 131242100211.
112001242131 is a `hidden beast` number, since 1 + 1 + 200 + 12 + 421 + 31 = 666.
It is not a de Polignac number, because 112001242131 - 229 = 111464371219 is a prime.
It is a super-2 number, since 2×1120012421312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (112001242139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1603270 + ... + 1671668.
It is an arithmetic number, because the mean of its divisors is an integer number (10370808000).
Almost surely, 2112001242131 is an apocalyptic number.
112001242131 is a deficient number, since it is larger than the sum of its proper divisors (53931685869).
112001242131 is an equidigital number, since it uses as much as digits as its factorization.
112001242131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129055 (or 129049 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 112001242131 its reverse (131242100211), we get a palindrome (243243342342).
The spelling of 112001242131 in words is "one hundred twelve billion, one million, two hundred forty-two thousand, one hundred thirty-one".
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