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2005444133 = 71126044729
BaseRepresentation
bin111011110001000…
…1010011000100101
312011202121010011122
41313202022120211
513101343203013
6530555343325
7100460664620
oct16742123045
95152533148
102005444133
1193a025950
1247b751b45
1325c632344
141504b4db7
15bb0daa08
hex7788a625

2005444133 has 8 divisors (see below), whose sum is σ = 2500294080. Its totient is φ = 1562683680.

The previous prime is 2005444121. The next prime is 2005444153. The reversal of 2005444133 is 3314445002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2005444133 - 28 = 2005443877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005444153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13022288 + ... + 13022441.

It is an arithmetic number, because the mean of its divisors is an integer number (312536760).

Almost surely, 22005444133 is an apocalyptic number.

It is an amenable number.

2005444133 is a deficient number, since it is larger than the sum of its proper divisors (494849947).

2005444133 is a wasteful number, since it uses less digits than its factorization.

2005444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26044747.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2005444133 is about 44782.1854424279. The cubic root of 2005444133 is about 1261.0632104694.

Adding to 2005444133 its reverse (3314445002), we get a palindrome (5319889135).

The spelling of 2005444133 in words is "two billion, five million, four hundred forty-four thousand, one hundred thirty-three".

Divisors: 1 7 11 77 26044729 182313103 286492019 2005444133