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2001001441 = 17912838713
BaseRepresentation
bin111011101000100…
…1101101111100001
312011110020101221111
41313101031233201
513044224021231
6530320223321
7100405142305
oct16721155741
95143211844
102001001441
11937570aaa
1247a16ab41
1325b73812a
1414da79d05
15baa0e4b1
hex7744dbe1

2001001441 has 8 divisors (see below), whose sum is σ = 2013979680. Its totient is φ = 1988043552.

The previous prime is 2001001417. The next prime is 2001001451. The reversal of 2001001441 is 1441001002.

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 2001001441 - 211 = 2000999393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001001411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225301 + ... + 234013.

It is an arithmetic number, because the mean of its divisors is an integer number (251747460).

Almost surely, 22001001441 is an apocalyptic number.

It is an amenable number.

2001001441 is a deficient number, since it is larger than the sum of its proper divisors (12978239).

2001001441 is a wasteful number, since it uses less digits than its factorization.

2001001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2001001441 is about 44732.5545995308. The cubic root of 2001001441 is about 1260.1313042386.

Adding to 2001001441 its reverse (1441001002), we get a palindrome (3442002443).

The spelling of 2001001441 in words is "two billion, one million, one thousand, four hundred forty-one".

Divisors: 1 179 1283 8713 229657 1559627 11178779 2001001441