Base | Representation |
---|---|
bin | 110100001101001010… |
… | …1100001111010001111 |
3 | 101201101012121221122212 |
4 | 1220122111201322033 |
5 | 3314100404014411 |
6 | 123300355501035 |
7 | 11046133533665 |
oct | 1503225417217 |
9 | 351335557585 |
10 | 112111001231 |
11 | 43600812629 |
12 | 198898b777b |
13 | a75896a268 |
14 | 55d76d4c35 |
15 | 2db25d468b |
hex | 1a1a561e8f |
112111001231 has 4 divisors (see below), whose sum is σ = 112163465232. Its totient is φ = 112058537232.
The previous prime is 112111001227. The next prime is 112111001279. The reversal of 112111001231 is 132100111211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132100111211 = 233 ⋅566953267.
It is a cyclic number.
It is not a de Polignac number, because 112111001231 - 22 = 112111001227 is a prime.
It is a super-2 number, since 2×1121110012312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112111001201) 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 3 ways as a sum of consecutive naturals, for example, 26228795 + ... + 26233068.
It is an arithmetic number, because the mean of its divisors is an integer number (28040866308).
Almost surely, 2112111001231 is an apocalyptic number.
112111001231 is a deficient number, since it is larger than the sum of its proper divisors (52464001).
112111001231 is an equidigital number, since it uses as much as digits as its factorization.
112111001231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52464000.
The product of its (nonzero) digits is 12, while the sum is 14.
Adding to 112111001231 its reverse (132100111211), we get a palindrome (244211112442).
The spelling of 112111001231 in words is "one hundred twelve billion, one hundred eleven million, one thousand, two hundred thirty-one".
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