Search a number
-
+
2005134011 = 19132179889
BaseRepresentation
bin111011110000011…
…1110101010111011
312011202000100202122
41313200332222323
513101303242021
6530544551455
7100455233516
oct16740765273
95152010678
102005134011
11939933951
1247b62258b
1325c55413a
14150433d7d
15bb078bab
hex7783eabb

2005134011 has 8 divisors (see below), whose sum is σ = 2112291600. Its totient is φ = 1898138880.

The previous prime is 2005133953. The next prime is 2005134013. The reversal of 2005134011 is 1104315002.

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 2005134011 - 26 = 2005133947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005134013) 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, 14846 + ... + 65043.

It is an arithmetic number, because the mean of its divisors is an integer number (264036450).

Almost surely, 22005134011 is an apocalyptic number.

2005134011 is a deficient number, since it is larger than the sum of its proper divisors (107157589).

2005134011 is a wasteful number, since it uses less digits than its factorization.

2005134011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81229.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2005134011 is about 44778.7227486448. The cubic root of 2005134011 is about 1260.9982034885.

Adding to 2005134011 its reverse (1104315002), we get a palindrome (3109449013).

The spelling of 2005134011 in words is "two billion, five million, one hundred thirty-four thousand, eleven".

Divisors: 1 19 1321 25099 79889 1517891 105533369 2005134011