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2003199305 = 5400639861
BaseRepresentation
bin111011101100110…
…0110010101001001
312011121101001211212
41313121212111021
513100304334210
6530435302505
7100432625132
oct16731462511
95147331755
102003199305
11938832318
1247aa4aa35
1325c027643
1415008cc89
15bace5805
hex77666549

2003199305 has 4 divisors (see below), whose sum is σ = 2403839172. Its totient is φ = 1602559440.

The previous prime is 2003199281. The next prime is 2003199337. The reversal of 2003199305 is 5039913002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 485629369 + 1517569936 = 22037^2 + 38956^2 .

It is not a de Polignac number, because 2003199305 - 230 = 929457481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 200319926 + ... + 200319935.

It is an arithmetic number, because the mean of its divisors is an integer number (600959793).

Almost surely, 22003199305 is an apocalyptic number.

It is an amenable number.

2003199305 is a deficient number, since it is larger than the sum of its proper divisors (400639867).

2003199305 is an equidigital number, since it uses as much as digits as its factorization.

2003199305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400639866.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 2003199305 is about 44757.1145741099. The cubic root of 2003199305 is about 1260.5925039434.

The spelling of 2003199305 in words is "two billion, three million, one hundred ninety-nine thousand, three hundred five".

Divisors: 1 5 400639861 2003199305