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2001110011111 = 35339671142897
BaseRepresentation
bin11101000111101011011…
…100111000110011100111
321002022012210112020221201
4131013223130320303213
5230241233130323421
64131144112223331
7264401241305041
oct35075334706347
97068183466851
102001110011111
11701736483642
122839b383ab47
1311691c50b993
146cbd6076a91
15370c068eb91
hex1d1eb738ce7

2001110011111 has 8 divisors (see below), whose sum is σ = 2006843507424. Its totient is φ = 1995376880640.

The previous prime is 2001110011091. The next prime is 2001110011141. The reversal of 2001110011111 is 1111100111002.

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 2001110011111 - 235 = 1966750272743 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 (2001110011141) 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, 13932415 + ... + 14075311.

It is an arithmetic number, because the mean of its divisors is an integer number (250855438428).

Almost surely, 22001110011111 is an apocalyptic number.

2001110011111 is a deficient number, since it is larger than the sum of its proper divisors (5733496313).

2001110011111 is a wasteful number, since it uses less digits than its factorization.

2001110011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182921.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 2001110011111 its reverse (1111100111002), we get a palindrome (3112210122113).

The spelling of 2001110011111 in words is "two trillion, one billion, one hundred ten million, eleven thousand, one hundred eleven".

Divisors: 1 353 39671 142897 14003863 50442641 5668866887 2001110011111