Base | Representation |
---|---|
bin | 111011101000111… |
… | …1111011100111100 |
3 | 12011110121202020122 |
4 | 1313101333130330 |
5 | 13044302030202 |
6 | 530324434112 |
7 | 100406651030 |
oct | 16721773474 |
9 | 5143552218 |
10 | 2001205052 |
11 | 93769aa80 |
12 | 47a248938 |
13 | 25b7a9a02 |
14 | 14dad01c0 |
15 | baa4e9a2 |
hex | 7747f73c |
2001205052 has 48 divisors (see below), whose sum is σ = 4369747200. Its totient is φ = 779068800.
The previous prime is 2001205049. The next prime is 2001205097. The reversal of 2001205052 is 2505021002.
It is a self number, because there is not a number n which added to its sum of digits gives 2001205052.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654824 + ... + 657872.
It is an arithmetic number, because the mean of its divisors is an integer number (91036400).
Almost surely, 22001205052 is an apocalyptic number.
2001205052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2001205052 is an abundant number, since it is smaller than the sum of its proper divisors (2368542148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001205052 is a wasteful number, since it uses less digits than its factorization.
2001205052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5202 (or 5200 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 17.
The square root of 2001205052 is about 44734.8304121073. The cubic root of 2001205052 is about 1260.1740441533.
Adding to 2001205052 its reverse (2505021002), we get a palindrome (4506226054).
The spelling of 2001205052 in words is "two billion, one million, two hundred five thousand, fifty-two".
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