Base | Representation |
---|---|
bin | 111011101001001… |
… | …1101111110111001 |
3 | 12011110212002210020 |
4 | 1313102131332321 |
5 | 13044320030410 |
6 | 530331241053 |
7 | 100411011435 |
oct | 16722357671 |
9 | 5143762706 |
10 | 2001330105 |
11 | 937775a25 |
12 | 47a2a9189 |
13 | 25b8218c8 |
14 | 14db239c5 |
15 | baa76a70 |
hex | 7749dfb9 |
2001330105 has 32 divisors (see below), whose sum is σ = 3222021504. Its totient is φ = 1060770816.
The previous prime is 2001330101. The next prime is 2001330131. The reversal of 2001330105 is 5010331002.
It is a happy number.
It is not a de Polignac number, because 2001330105 - 22 = 2001330101 is a prime.
It is a super-2 number, since 2×20013301052 = 8010644378358622050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (2001330101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2643387 + ... + 2644143.
It is an arithmetic number, because the mean of its divisors is an integer number (100688172).
Almost surely, 22001330105 is an apocalyptic number.
It is an amenable number.
2001330105 is a deficient number, since it is larger than the sum of its proper divisors (1220691399).
2001330105 is a wasteful number, since it uses less digits than its factorization.
2001330105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1625.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 2001330105 is about 44736.2281043004. The cubic root of 2001330105 is about 1260.2002925484.
Adding to 2001330105 its reverse (5010331002), we get a palindrome (7011661107).
The spelling of 2001330105 in words is "two billion, one million, three hundred thirty thousand, one hundred five".
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