Base | Representation |
---|---|
bin | 110100001111110100… |
… | …1100000001011111011 |
3 | 101201121102022210220222 |
4 | 1220133221200023323 |
5 | 3314241212420011 |
6 | 123313302010255 |
7 | 11051265211415 |
oct | 1503751401373 |
9 | 351542283828 |
10 | 112200123131 |
11 | 43647054198 |
12 | 198b371698b |
13 | a771272605 |
14 | 56054939b5 |
15 | 2dba33addb |
hex | 1a1fa602fb |
112200123131 has 4 divisors (see below), whose sum is σ = 118800130392. Its totient is φ = 105600115872.
The previous prime is 112200123121. The next prime is 112200123143. The reversal of 112200123131 is 131321002211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131321002211 = 7 ⋅18760143173.
It is a cyclic number.
It is not a de Polignac number, because 112200123131 - 222 = 112195928827 is a prime.
It is a super-2 number, since 2×1122001231312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6600007243 = 112200123131 / (1 + 1 + 2 + 2 + 0 + 0 + 1 + 2 + 3 + 1 + 3 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (112200123121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300003605 + ... + 3300003638.
It is an arithmetic number, because the mean of its divisors is an integer number (29700032598).
Almost surely, 2112200123131 is an apocalyptic number.
112200123131 is a deficient number, since it is larger than the sum of its proper divisors (6600007261).
112200123131 is an equidigital number, since it uses as much as digits as its factorization.
112200123131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6600007260.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 112200123131 its reverse (131321002211), we get a palindrome (243521125342).
The spelling of 112200123131 in words is "one hundred twelve billion, two hundred million, one hundred twenty-three thousand, one hundred thirty-one".
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