Base | Representation |
---|---|
bin | 111111011111011… |
… | …1111111101010000 |
3 | 12111110210202220111 |
4 | 1332332333331100 |
5 | 13330343202422 |
6 | 551222451104 |
7 | 103536322216 |
oct | 17676777520 |
9 | 5443722814 |
10 | 2130444112 |
11 | 9a3642215 |
12 | 4b5593a94 |
13 | 27c4ba024 |
14 | 162d32cb6 |
15 | c707ca77 |
hex | 7efbff50 |
2130444112 has 20 divisors (see below), whose sum is σ = 4130226100. Its totient is φ = 1064579328.
The previous prime is 2130444109. The next prime is 2130444181. The reversal of 2130444112 is 2114440312.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 669981456 + 1460462656 = 25884^2 + 38216^2 .
It is a super-2 number, since 2×21304441122 = 9077584228710937088, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12237 + ... + 66412.
It is an arithmetic number, because the mean of its divisors is an integer number (206511305).
Almost surely, 22130444112 is an apocalyptic number.
It is an amenable number.
2130444112 is a deficient number, since it is larger than the sum of its proper divisors (1999781988).
2130444112 is a wasteful number, since it uses less digits than its factorization.
2130444112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80350 (or 80344 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 2130444112 is about 46156.7341998976. The cubic root of 2130444112 is about 1286.7377684793.
Adding to 2130444112 its reverse (2114440312), we get a palindrome (4244884424).
It can be divided in two parts, 213044 and 4112, that added together give a square (217156 = 4662).
The spelling of 2130444112 in words is "two billion, one hundred thirty million, four hundred forty-four thousand, one hundred twelve".
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