Search a number
-
+
2011442103 = 321120317597
BaseRepresentation
bin111011111100100…
…0010101110110111
312012011212211211200
41313321002232313
513104412121403
6531332103543
7100562655456
oct16771025667
95164784750
102011442103
11942452250
12481764bb3
13260952438
141511d6b9d
15bb8c2ca3
hex77e42bb7

2011442103 has 12 divisors (see below), whose sum is σ = 3169545288. Its totient is φ = 1219055760.

The previous prime is 2011442093. The next prime is 2011442123. The reversal of 2011442103 is 3012441102.

It is not a de Polignac number, because 2011442103 - 25 = 2011442071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011442123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10158700 + ... + 10158897.

It is an arithmetic number, because the mean of its divisors is an integer number (264128774).

Almost surely, 22011442103 is an apocalyptic number.

2011442103 is a deficient number, since it is larger than the sum of its proper divisors (1158103185).

2011442103 is a wasteful number, since it uses less digits than its factorization.

2011442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20317614 (or 20317611 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2011442103 is about 44849.1037034186. The cubic root of 2011442103 is about 1262.3191735004.

Adding to 2011442103 its reverse (3012441102), we get a palindrome (5023883205).

The spelling of 2011442103 in words is "two billion, eleven million, four hundred forty-two thousand, one hundred three".

Divisors: 1 3 9 11 33 99 20317597 60952791 182858373 223493567 670480701 2011442103