Search a number
-
+
2006450443641 = 37218034382207
BaseRepresentation
bin11101001100101001110…
…001000001010101111001
321002210222222111100011010
4131030221301001111321
5230333202303144031
64133430044224133
7264650466241140
oct35145161012571
97083888440133
102006450443641
11703a26a70646
12284a4423b049
13117290a53a27
146d181434757
15372d4440246
hex1d329c41579

2006450443641 has 16 divisors (see below), whose sum is σ = 3057589223424. Its totient is φ = 1146490262544.

The previous prime is 2006450443619. The next prime is 2006450443661. The reversal of 2006450443641 is 1463440546002.

It is not a de Polignac number, because 2006450443641 - 233 = 1997860509049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006450443641.

It is not an unprimeable number, because it can be changed into a prime (2006450443661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733241 + ... + 2648966.

It is an arithmetic number, because the mean of its divisors is an integer number (191099326464).

Almost surely, 22006450443641 is an apocalyptic number.

2006450443641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2006450443641 is a deficient number, since it is larger than the sum of its proper divisors (1051138779783).

2006450443641 is a wasteful number, since it uses less digits than its factorization.

2006450443641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404020.

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 2006450443641 its reverse (1463440546002), we get a palindrome (3469890989643).

The spelling of 2006450443641 in words is "two trillion, six billion, four hundred fifty million, four hundred forty-three thousand, six hundred forty-one".

Divisors: 1 3 7 21 21803 65409 152621 457863 4382207 13146621 30675449 92026347 95545259221 286635777663 668816814547 2006450443641