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BaseRepresentation
bin111011101000110…
…0111000101011001
312011110102200022221
41313101213011121
513044240331431
6530322344041
7100406054032
oct16721470531
95143380287
102001105241
11937631a93
1247a1bb021
1325b773455
1414daa5a89
15baa30111
hex77467159

2001105241 has 8 divisors (see below), whose sum is σ = 2191880520. Its totient is φ = 1818448128.

The previous prime is 2001105217. The next prime is 2001105311. The reversal of 2001105241 is 1425011002.

It can be written as a sum of positive squares in 4 ways, for example, as 690375625 + 1310729616 = 26275^2 + 36204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001105241 - 223 = 1992716633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001105641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029026 + ... + 2030011.

It is an arithmetic number, because the mean of its divisors is an integer number (273985065).

Almost surely, 22001105241 is an apocalyptic number.

It is an amenable number.

2001105241 is a deficient number, since it is larger than the sum of its proper divisors (190775279).

2001105241 is a wasteful number, since it uses less digits than its factorization.

2001105241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059083.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2001105241 is about 44733.7148133262. The cubic root of 2001105241 is about 1260.1530932230.

Adding to 2001105241 its reverse (1425011002), we get a palindrome (3426116243).

The spelling of 2001105241 in words is "two billion, one million, one hundred five thousand, two hundred forty-one".