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2001404311 = 19472322303
BaseRepresentation
bin111011101001011…
…0000000110010111
312011110222212120121
41313102300012113
513044324414221
6530333012411
7100411440664
oct16722600627
95143885517
102001404311
11937816755
1247a324107
1325b84960a
1414db42a6b
15baa8da41
hex774b0197

2001404311 has 8 divisors (see below), whose sum is σ = 2107281920. Its totient is φ = 1895580792.

The previous prime is 2001404297. The next prime is 2001404329. The reversal of 2001404311 is 1134041002.

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 2001404311 - 29 = 2001403799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001404011) 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, 78586 + ... + 100888.

It is an arithmetic number, because the mean of its divisors is an integer number (263410240).

Almost surely, 22001404311 is an apocalyptic number.

2001404311 is a deficient number, since it is larger than the sum of its proper divisors (105877609).

2001404311 is a wasteful number, since it uses less digits than its factorization.

2001404311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27045.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2001404311 is about 44737.0574691720. The cubic root of 2001404311 is about 1260.2158677346.

Adding to 2001404311 its reverse (1134041002), we get a palindrome (3135445313).

The spelling of 2001404311 in words is "two billion, one million, four hundred four thousand, three hundred eleven".

Divisors: 1 19 4723 22303 89737 423757 105337069 2001404311