Base | Representation |
---|---|
bin | 110100010011001010… |
… | …0010010011010101101 |
3 | 101201220012211212011222 |
4 | 1220212110102122231 |
5 | 3320003333032341 |
6 | 123332335553125 |
7 | 11054124160466 |
oct | 1504624223255 |
9 | 351805755158 |
10 | 112312002221 |
11 | 436a4219651 |
12 | 1992508b7a5 |
13 | a78b4b5063 |
14 | 5616297d6d |
15 | 2dc508a44b |
hex | 1a265126ad |
112312002221 has 4 divisors (see below), whose sum is σ = 113469858012. Its totient is φ = 111154146432.
The previous prime is 112312002217. The next prime is 112312002233. The reversal of 112312002221 is 122200213211.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 60846088900 + 51465913321 = 246670^2 + 226861^2 .
It is a cyclic number.
It is not a de Polignac number, because 112312002221 - 22 = 112312002217 is a prime.
It is a super-2 number, since 2×1123120022212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 112312002221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112312002421) 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 3 ways as a sum of consecutive naturals, for example, 578927750 + ... + 578927943.
It is an arithmetic number, because the mean of its divisors is an integer number (28367464503).
Almost surely, 2112312002221 is an apocalyptic number.
It is an amenable number.
112312002221 is a deficient number, since it is larger than the sum of its proper divisors (1157855791).
112312002221 is an equidigital number, since it uses as much as digits as its factorization.
112312002221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1157855790.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 112312002221 its reverse (122200213211), we get a palindrome (234512215432).
The spelling of 112312002221 in words is "one hundred twelve billion, three hundred twelve million, two thousand, two hundred twenty-one".
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