Base | Representation |
---|---|
bin | 1000100111010001… |
… | …1101100100100000 |
3 | 12222010212111220121 |
4 | 2021310131210200 |
5 | 14213412344300 |
6 | 1021235050024 |
7 | 111204432556 |
oct | 21164354440 |
9 | 5863774817 |
10 | 2312231200 |
11 | a87215584 |
12 | 546440914 |
13 | 2ab068456 |
14 | 17d133bd6 |
15 | d7eda81a |
hex | 89d1d920 |
2312231200 has 216 divisors, whose sum is σ = 6122819052. Its totient is φ = 852295680.
The previous prime is 2312231179. The next prime is 2312231209. The reversal of 2312231200 is 21322132.
It can be written as a sum of positive squares in 18 ways, for example, as 121616784 + 2190614416 = 11028^2 + 46804^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312231209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16877532 + ... + 16877668.
Almost surely, 22312231200 is an apocalyptic number.
2312231200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2312231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061409526).
2312231200 is an abundant number, since it is smaller than the sum of its proper divisors (3810587852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2312231200 is a wasteful number, since it uses less digits than its factorization.
2312231200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2312231200 is about 48085.6652236402. The cubic root of 2312231200 is about 1322.3418788159.
Adding to 2312231200 its reverse (21322132), we get a palindrome (2333553332).
It can be divided in two parts, 2312 and 231200, that multiplied together give a square (534534400 = 231202).
The spelling of 2312231200 in words is "two billion, three hundred twelve million, two hundred thirty-one thousand, two hundred".
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