Search a number
-
+
2001030109 = 131311175003
BaseRepresentation
bin111011101000101…
…0100101111011101
312011110021212021021
41313101110233131
513044230430414
6530321004141
7100405322011
oct16721245735
95143255237
102001030109
119375905a1
1247a183651
1325b7481b0
1414da86541
15baa17c24
hex77454bdd

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".

Divisors: 1 13 131 1703 1175003 15275039 153925393 2001030109