Base | Representation |
---|---|
bin | 100001001001111… |
… | …1011100111110001 |
3 | 2212112101221011221 |
4 | 1002103323213301 |
5 | 4234301134301 |
6 | 302221105041 |
7 | 36366163021 |
oct | 10223734761 |
9 | 2775357157 |
10 | 1112521201 |
11 | 520a97710 |
12 | 2706b8181 |
13 | 149645c8c |
14 | a7a7ba81 |
15 | 67a0ada1 |
hex | 424fb9f1 |
1112521201 has 16 divisors (see below), whose sum is σ = 1268788608. Its totient is φ = 965606400.
The previous prime is 1112521187. The next prime is 1112521243. The reversal of 1112521201 is 1021252111.
It is not a de Polignac number, because 1112521201 - 27 = 1112521073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1112521261) 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, 142171 + ... + 149791.
It is an arithmetic number, because the mean of its divisors is an integer number (79299288).
Almost surely, 21112521201 is an apocalyptic number.
1112521201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1112521201 is a deficient number, since it is larger than the sum of its proper divisors (156267407).
1112521201 is a wasteful number, since it uses less digits than its factorization.
1112521201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8232.
The product of its (nonzero) digits is 40, while the sum is 16.
The square root of 1112521201 is about 33354.4779752285. The cubic root of 1112521201 is about 1036.1821311475.
Adding to 1112521201 its reverse (1021252111), we get a palindrome (2133773312).
The spelling of 1112521201 in words is "one billion, one hundred twelve million, five hundred twenty-one thousand, two hundred one".
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