Search a number
-
+
12020304199 = 13693877843
BaseRepresentation
bin10110011000111011…
…10100100101000111
31011000201022201110211
423030131310211013
5144104144213244
65304432500251
7603605620441
oct131435644507
934021281424
1012020304199
11510916a502
1223b56aa687
131197423547
148205c5491
154a5431934
hex2cc774947

12020304199 has 4 divisors (see below), whose sum is σ = 12021195736. Its totient is φ = 12019412664.

The previous prime is 12020304193. The next prime is 12020304203. The reversal of 12020304199 is 99140302021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99140302021 = 659150440519.

It is a cyclic number.

It is not a de Polignac number, because 12020304199 - 25 = 12020304167 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 12020304199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020304193) 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, 425229 + ... + 452614.

It is an arithmetic number, because the mean of its divisors is an integer number (3005298934).

Almost surely, 212020304199 is an apocalyptic number.

12020304199 is a deficient number, since it is larger than the sum of its proper divisors (891537).

12020304199 is an equidigital number, since it uses as much as digits as its factorization.

12020304199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891536.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 12020304199 in words is "twelve billion, twenty million, three hundred four thousand, one hundred ninety-nine".

Divisors: 1 13693 877843 12020304199