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2000044947 = 3666681649
BaseRepresentation
bin111011100110110…
…0100001110010011
312011101102210212210
41313031210032103
513044002414242
6530243523203
7100364046555
oct16715441623
95141383783
102000044947
11936a7840a
12479989503
1325b491964
1414d8ab4d5
15ba8c0d9c
hex77364393

2000044947 has 4 divisors (see below), whose sum is σ = 2666726600. Its totient is φ = 1333363296.

The previous prime is 2000044913. The next prime is 2000044957. The reversal of 2000044947 is 7494400002.

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

It is not a de Polignac number, because 2000044947 - 28 = 2000044691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000044957) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 333340822 + ... + 333340827.

It is an arithmetic number, because the mean of its divisors is an integer number (666681650).

Almost surely, 22000044947 is an apocalyptic number.

2000044947 is a deficient number, since it is larger than the sum of its proper divisors (666681653).

2000044947 is an equidigital number, since it uses as much as digits as its factorization.

2000044947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666681652.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2000044947 is about 44721.8620699094. The cubic root of 2000044947 is about 1259.9304881027.

Adding to 2000044947 its reverse (7494400002), we get a palindrome (9494444949).

The spelling of 2000044947 in words is "two billion, forty-four thousand, nine hundred forty-seven".

Divisors: 1 3 666681649 2000044947