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1204043313 = 311181201581
BaseRepresentation
bin100011111000100…
…0011111000110001
310002220121201220210
41013301003320301
54431213341223
6315250454333
741560125234
oct10761037061
93086551823
101204043313
11568718620
122972943a9
131625ab985
14b5ca341b
1570a88893
hex47c43e31

1204043313 has 16 divisors (see below), whose sum is σ = 1761020352. Its totient is φ = 725688000.

The previous prime is 1204043293. The next prime is 1204043327. The reversal of 1204043313 is 3133404021.

It is not a de Polignac number, because 1204043313 - 224 = 1187266097 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204043313.

It is not an unprimeable number, because it can be changed into a prime (1204043333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94818 + ... + 106763.

It is an arithmetic number, because the mean of its divisors is an integer number (110063772).

Almost surely, 21204043313 is an apocalyptic number.

It is an amenable number.

1204043313 is a deficient number, since it is larger than the sum of its proper divisors (556977039).

1204043313 is a wasteful number, since it uses less digits than its factorization.

1204043313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201776.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1204043313 is about 34699.3272701359. The cubic root of 1204043313 is about 1063.8507481986.

Adding to 1204043313 its reverse (3133404021), we get a palindrome (4337447334).

The spelling of 1204043313 in words is "one billion, two hundred four million, forty-three thousand, three hundred thirteen".

Divisors: 1 3 11 33 181 543 1991 5973 201581 604743 2217391 6652173 36486161 109458483 401347771 1204043313