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30200021303 = 271111439193
BaseRepresentation
bin11100001000000011…
…111100000100110111
32212221200200001000112
4130020003330010313
5443322201140203
621512415133235
72116245642224
oct341003740467
985850601015
1030200021303
1111898140aa1
125a29b1421b
132b03958cba
141666c3494b
15bbb4896d8
hex7080fc137

30200021303 has 4 divisors (see below), whose sum is σ = 30311460768. Its totient is φ = 30088581840.

The previous prime is 30200021287. The next prime is 30200021309. The reversal of 30200021303 is 30312000203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30312000203 = 208731452211.

It is a cyclic number.

It is not a de Polignac number, because 30200021303 - 24 = 30200021287 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 (30200021309) 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, 55719326 + ... + 55719867.

It is an arithmetic number, because the mean of its divisors is an integer number (7577865192).

Almost surely, 230200021303 is an apocalyptic number.

30200021303 is a deficient number, since it is larger than the sum of its proper divisors (111439465).

30200021303 is a wasteful number, since it uses less digits than its factorization.

30200021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111439464.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30200021303 its reverse (30312000203), we get a palindrome (60512021506).

The spelling of 30200021303 in words is "thirty billion, two hundred million, twenty-one thousand, three hundred three".

Divisors: 1 271 111439193 30200021303