Search a number
-
+
2011113213213 = 313186712761877
BaseRepresentation
bin11101010000111111101…
…100000100110100011101
321010021000221022120112110
4131100333230010310131
5230422224440310323
64135520451424233
7265204155154416
oct35207754046435
97107027276473
102011113213213
117059a9a85415
122859258b5079
13117854a7a790
146d4a47d080d
15374a8981793
hex1d43fb04d1d

2011113213213 has 16 divisors (see below), whose sum is σ = 2887908016896. Its totient is φ = 1237541398080.

The previous prime is 2011113213139. The next prime is 2011113213217. The reversal of 2011113213213 is 3123123111102.

It is not a de Polignac number, because 2011113213213 - 29 = 2011113212701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011113213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011113213217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652770 + ... + 2109107.

It is an arithmetic number, because the mean of its divisors is an integer number (180494251056).

Almost surely, 22011113213213 is an apocalyptic number.

It is an amenable number.

2011113213213 is a deficient number, since it is larger than the sum of its proper divisors (876794803683).

2011113213213 is a wasteful number, since it uses less digits than its factorization.

2011113213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780564.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2011113213213 its reverse (3123123111102), we get a palindrome (5134236324315).

The spelling of 2011113213213 in words is "two trillion, eleven billion, one hundred thirteen million, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 13 39 18671 56013 242723 728169 2761877 8285631 35904401 107713203 51567005467 154701016401 670371071071 2011113213213