Search a number
-
+
20010212006 = 210005106003
BaseRepresentation
bin10010101000101100…
…111001101010100110
31220122112202002111012
4102220230321222212
5311440103241011
613105332142222
71305604665341
oct225054715246
956575662435
1020010212006
1185392744a4
123a65467972
131b6b841b45
14d7b7c3458
157c1ad6a8b
hex4a8b39aa6

20010212006 has 4 divisors (see below), whose sum is σ = 30015318012. Its totient is φ = 10005106002.

The previous prime is 20010211987. The next prime is 20010212023. The reversal of 20010212006 is 60021201002.

It is a semiprime because it is the product of two primes.

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, 5002553000 + ... + 5002553003.

It is an arithmetic number, because the mean of its divisors is an integer number (7503829503).

Almost surely, 220010212006 is an apocalyptic number.

20010212006 is a deficient number, since it is larger than the sum of its proper divisors (10005106006).

20010212006 is a wasteful number, since it uses less digits than its factorization.

20010212006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005106005.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20010212006 its reverse (60021201002), we get a palindrome (80031413008).

The spelling of 20010212006 in words is "twenty billion, ten million, two hundred twelve thousand, six".

Divisors: 1 2 10005106003 20010212006