Search a number
-
+
20012230006 = 210006115003
BaseRepresentation
bin10010101000110100…
…100110010101110110
31220122200112121122221
4102220310212111312
5311441112330011
613105443312554
71305631101616
oct225064462566
956580477587
1020012230006
11853a42266a
123a6607b75a
131b6c09a522
14d7bb8aa46
157c1d84971
hex4a8d26576

20012230006 has 4 divisors (see below), whose sum is σ = 30018345012. Its totient is φ = 10006115002.

The previous prime is 20012229989. The next prime is 20012230031. The reversal of 20012230006 is 60003221002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60003221002 = 230001610501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003057500 + ... + 5003057503.

It is an arithmetic number, because the mean of its divisors is an integer number (7504586253).

Almost surely, 220012230006 is an apocalyptic number.

20012230006 is a deficient number, since it is larger than the sum of its proper divisors (10006115006).

20012230006 is a wasteful number, since it uses less digits than its factorization.

20012230006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006115005.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20012230006 its reverse (60003221002), we get a palindrome (80015451008).

The spelling of 20012230006 in words is "twenty billion, twelve million, two hundred thirty thousand, six".

Divisors: 1 2 10006115003 20012230006