Base | Representation |
---|---|
bin | 1101010000100… |
… | …10000110100001 |
3 | 21202021201112211 |
4 | 12220102012201 |
5 | 211433120301 |
6 | 15011522121 |
7 | 2520244615 |
oct | 650220641 |
9 | 252251484 |
10 | 111223201 |
11 | 57867701 |
12 | 312b9341 |
13 | 1a07305b |
14 | 10ab3345 |
15 | 9b70051 |
hex | 6a121a1 |
111223201 has 8 divisors (see below), whose sum is σ = 115869600. Its totient is φ = 106668960.
The previous prime is 111223157. The next prime is 111223223. The reversal of 111223201 is 102322111.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 111223201 - 211 = 111221153 is a prime.
It is a super-3 number, since 3×1112232013 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (111223001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20571 + ... + 25408.
It is an arithmetic number, because the mean of its divisors is an integer number (14483700).
Almost surely, 2111223201 is an apocalyptic number.
It is an amenable number.
111223201 is a deficient number, since it is larger than the sum of its proper divisors (4646399).
111223201 is an equidigital number, since it uses as much as digits as its factorization.
111223201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46079.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 111223201 is about 10546.2410839123. The cubic root of 111223201 is about 480.9114640318.
Adding to 111223201 its reverse (102322111), we get a palindrome (213545312).
The spelling of 111223201 in words is "one hundred eleven million, two hundred twenty-three thousand, two hundred one".
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