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2013330311 = 3320360637
BaseRepresentation
bin111100000000000…
…1111101110000111
312012022102202222022
41320000033232013
513110403032221
6531440353355
7100615011446
oct17000175607
95168382868
102013330311
11943521953
1248231585b
13261163a15
14151568d5d
15bbb474ab
hex7800fb87

2013330311 has 4 divisors (see below), whose sum is σ = 2013424152. Its totient is φ = 2013236472.

The previous prime is 2013330299. The next prime is 2013330313. The reversal of 2013330311 is 1130333102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1130333102 = 2565166551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2013330311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013330311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013330313) 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, 2885 + ... + 63521.

It is an arithmetic number, because the mean of its divisors is an integer number (503356038).

Almost surely, 22013330311 is an apocalyptic number.

2013330311 is a deficient number, since it is larger than the sum of its proper divisors (93841).

2013330311 is an equidigital number, since it uses as much as digits as its factorization.

2013330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93840.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2013330311 is about 44870.1494425860. The cubic root of 2013330311 is about 1262.7140437143.

Adding to 2013330311 its reverse (1130333102), we get a palindrome (3143663413).

The spelling of 2013330311 in words is "two billion, thirteen million, three hundred thirty thousand, three hundred eleven".

Divisors: 1 33203 60637 2013330311