Search a number
-
+
2012002111 = 7287428873
BaseRepresentation
bin111011111101100…
…1011011100111111
312012012221022000201
41313323023130333
513110033031421
6531352104331
7100600510240
oct16773133477
95165838021
102012002111
119427a4a69
124819950a7
13260aba2c2
14151300cc7
15bb983b91
hex77ecb73f

2012002111 has 4 divisors (see below), whose sum is σ = 2299430992. Its totient is φ = 1724573232.

The previous prime is 2012002081. The next prime is 2012002117. The reversal of 2012002111 is 1112002102.

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 2012002111 - 219 = 2011477823 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 (2012002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143714430 + ... + 143714443.

It is an arithmetic number, because the mean of its divisors is an integer number (574857748).

Almost surely, 22012002111 is an apocalyptic number.

2012002111 is a deficient number, since it is larger than the sum of its proper divisors (287428881).

2012002111 is an equidigital number, since it uses as much as digits as its factorization.

2012002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287428880.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2012002111 is about 44855.3465152149. The cubic root of 2012002111 is about 1262.4363105603.

Adding to 2012002111 its reverse (1112002102), we get a palindrome (3124004213).

Subtracting from 2012002111 its reverse (1112002102), we obtain a palindrome (900000009).

The spelling of 2012002111 in words is "two billion, twelve million, two thousand, one hundred eleven".

Divisors: 1 7 287428873 2012002111