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2006270561 = 9832040967
BaseRepresentation
bin111011110010101…
…0100001001100001
312011211011002211002
41313211110021201
513102101124221
6531025201345
7100501006211
oct16745241141
95154132732
102006270561
1193a53a849
1247ba90255
1325c861559
1415064c241
15bb20080b
hex77954261

2006270561 has 4 divisors (see below), whose sum is σ = 2008312512. Its totient is φ = 2004228612.

The previous prime is 2006270543. The next prime is 2006270569. The reversal of 2006270561 is 1650726002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2006270561 - 214 = 2006254177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006270569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019501 + ... + 1021466.

It is an arithmetic number, because the mean of its divisors is an integer number (502078128).

Almost surely, 22006270561 is an apocalyptic number.

It is an amenable number.

2006270561 is a deficient number, since it is larger than the sum of its proper divisors (2041951).

2006270561 is an equidigital number, since it uses as much as digits as its factorization.

2006270561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041950.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2006270561 is about 44791.4116879564. The cubic root of 2006270561 is about 1261.2364114751.

Adding to 2006270561 its reverse (1650726002), we get a palindrome (3656996563).

The spelling of 2006270561 in words is "two billion, six million, two hundred seventy thousand, five hundred sixty-one".

Divisors: 1 983 2040967 2006270561