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1201330303 = 10311663401
BaseRepresentation
bin100011110011010…
…1101100001111111
310002201111220100221
41013212231201333
54430020032203
6315112402211
741525065465
oct10746554177
93081456327
101201330303
11567135268
122963a6367
13161b6bb44
14b5798835
15706eeabd
hex479ad87f

1201330303 has 4 divisors (see below), whose sum is σ = 1212993808. Its totient is φ = 1189666800.

The previous prime is 1201330289. The next prime is 1201330331. The reversal of 1201330303 is 3030331021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1201330303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201330363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5831598 + ... + 5831803.

It is an arithmetic number, because the mean of its divisors is an integer number (303248452).

Almost surely, 21201330303 is an apocalyptic number.

1201330303 is a deficient number, since it is larger than the sum of its proper divisors (11663505).

1201330303 is a wasteful number, since it uses less digits than its factorization.

1201330303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11663504.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1201330303 is about 34660.2121026401. The cubic root of 1201330303 is about 1063.0511069096.

Adding to 1201330303 its reverse (3030331021), we get a palindrome (4231661324).

The spelling of 1201330303 in words is "one billion, two hundred one million, three hundred thirty thousand, three hundred three".

Divisors: 1 103 11663401 1201330303