Base | Representation |
---|---|
bin | 111011101000111… |
… | …1110010000000010 |
3 | 12011110121111111100 |
4 | 1313101332100002 |
5 | 13044301401010 |
6 | 530324355230 |
7 | 100406630466 |
oct | 16721762002 |
9 | 5143544440 |
10 | 2001200130 |
11 | 937697306 |
12 | 47a245b16 |
13 | 25b7a76b7 |
14 | 14dacc4a6 |
15 | baa4d2c0 |
hex | 7747e402 |
2001200130 has 48 divisors (see below), whose sum is σ = 5343754104. Its totient is φ = 519229440.
The previous prime is 2001200083. The next prime is 2001200141. The reversal of 2001200130 is 310021002.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1958859081 + 42341049 = 44259^2 + 6507^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297151 + ... + 303810.
Almost surely, 22001200130 is an apocalyptic number.
2001200130 is an abundant number, since it is smaller than the sum of its proper divisors (3342553974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001200130 is a wasteful number, since it uses less digits than its factorization.
2001200130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 601011 (or 601008 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 2001200130 is about 44734.7753990114. The cubic root of 2001200130 is about 1260.1730110122.
Adding to 2001200130 its reverse (310021002), we get a palindrome (2311221132).
The spelling of 2001200130 in words is "two billion, one million, two hundred thousand, one hundred thirty".
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