Base | Representation |
---|---|
bin | 111011101000101… |
… | …0101000001001001 |
3 | 12011110021220211012 |
4 | 1313101111001021 |
5 | 13044230444431 |
6 | 530321013305 |
7 | 100405325216 |
oct | 16721250111 |
9 | 5143256735 |
10 | 2001031241 |
11 | 937591430 |
12 | 47a184235 |
13 | 25b748871 |
14 | 14da86b0d |
15 | baa1822b |
hex | 77455049 |
2001031241 has 16 divisors (see below), whose sum is σ = 2200625280. Its totient is φ = 1804433280.
The previous prime is 2001031237. The next prime is 2001031247. The reversal of 2001031241 is 1421301002.
It is a cyclic number.
It is not a de Polignac number, because 2001031241 - 22 = 2001031237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2001031247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242845 + ... + 1244453.
It is an arithmetic number, because the mean of its divisors is an integer number (137539080).
Almost surely, 22001031241 is an apocalyptic number.
It is an amenable number.
2001031241 is a deficient number, since it is larger than the sum of its proper divisors (199594039).
2001031241 is a wasteful number, since it uses less digits than its factorization.
2001031241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2464.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2001031241 is about 44732.8876890370. The cubic root of 2001031241 is about 1260.1375597274.
Adding to 2001031241 its reverse (1421301002), we get a palindrome (3422332243).
The spelling of 2001031241 in words is "two billion, one million, thirty-one thousand, two hundred forty-one".
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