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2002243111 = 11182022101
BaseRepresentation
bin111011101010111…
…1100111000100111
312011112120111012021
41313111330320213
513100033234421
6530403004011
7100421533321
oct16725747047
95145514167
102002243111
11938239980
1247a669607
1325ba8134b
1414dcc0611
15baba7341
hex7757ce27

2002243111 has 4 divisors (see below), whose sum is σ = 2184265224. Its totient is φ = 1820221000.

The previous prime is 2002243093. The next prime is 2002243141. The reversal of 2002243111 is 1113422002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002243111 - 213 = 2002234919 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 (2002243141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91011040 + ... + 91011061.

It is an arithmetic number, because the mean of its divisors is an integer number (546066306).

Almost surely, 22002243111 is an apocalyptic number.

2002243111 is a deficient number, since it is larger than the sum of its proper divisors (182022113).

2002243111 is a wasteful number, since it uses less digits than its factorization.

2002243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182022112.

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

The square root of 2002243111 is about 44746.4312655211. The cubic root of 2002243111 is about 1260.3918977058.

Adding to 2002243111 its reverse (1113422002), we get a palindrome (3115665113).

The spelling of 2002243111 in words is "two billion, two million, two hundred forty-three thousand, one hundred eleven".

Divisors: 1 11 182022101 2002243111