Base | Representation |
---|---|
bin | 111011101001001… |
… | …1001010111111110 |
3 | 12011110211010220011 |
4 | 1313102121113332 |
5 | 13044313424410 |
6 | 530331013434 |
7 | 100410602422 |
oct | 16722312776 |
9 | 5143733804 |
10 | 2001311230 |
11 | 937762826 |
12 | 47a29a27a |
13 | 25b816139 |
14 | 14db1ab82 |
15 | baa7118a |
hex | 774995fe |
2001311230 has 64 divisors (see below), whose sum is σ = 4100751360. Its totient is φ = 698540544.
The previous prime is 2001311209. The next prime is 2001311243. The reversal of 2001311230 is 321131002.
It is a super-2 number, since 2×20013112302 = 8010493278648225800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2001311230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145219 + ... + 158401.
It is an arithmetic number, because the mean of its divisors is an integer number (64074240).
Almost surely, 22001311230 is an apocalyptic number.
2001311230 is an abundant number, since it is smaller than the sum of its proper divisors (2099440130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001311230 is a wasteful number, since it uses less digits than its factorization.
2001311230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13273.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 2001311230 is about 44736.0171450253. The cubic root of 2001311230 is about 1260.1963307906.
Adding to 2001311230 its reverse (321131002), we get a palindrome (2322442232).
The spelling of 2001311230 in words is "two billion, one million, three hundred eleven thousand, two hundred thirty".
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