Base | Representation |
---|---|
bin | 111011101000101… |
… | …0100101111011101 |
3 | 12011110021212021021 |
4 | 1313101110233131 |
5 | 13044230430414 |
6 | 530321004141 |
7 | 100405322011 |
oct | 16721245735 |
9 | 5143255237 |
10 | 2001030109 |
11 | 9375905a1 |
12 | 47a183651 |
13 | 25b7481b0 |
14 | 14da86541 |
15 | baa17c24 |
hex | 77454bdd |
2001030109 has 8 divisors (see below), whose sum is σ = 2171407392. Its totient is φ = 1833003120.
The previous prime is 2001030091. The next prime is 2001030113. The reversal of 2001030109 is 9010301002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2001030109 - 25 = 2001030077 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2001030092 and 2001030101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2001090109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585799 + ... + 589204.
It is an arithmetic number, because the mean of its divisors is an integer number (271425924).
Almost surely, 22001030109 is an apocalyptic number.
It is an amenable number.
2001030109 is a deficient number, since it is larger than the sum of its proper divisors (170377283).
2001030109 is a wasteful number, since it uses less digits than its factorization.
2001030109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1175147.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 2001030109 is about 44732.8750361521. The cubic root of 2001030109 is about 1260.1373221039.
The spelling of 2001030109 in words is "two billion, one million, thirty thousand, one hundred nine".
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