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30203144303 = 109387771471
BaseRepresentation
bin11100001000001111…
…110110100001101111
32212221220112200222012
4130020033312201233
5443324001104203
621513010111435
72116314330203
oct341017664157
985856480865
1030203144303
1111899984392
125a2ab7b57b
132b044b0627
141667408b03
15bbb8a4bd8
hex7083f686f

30203144303 has 8 divisors (see below), whose sum is σ = 30488525760. Its totient is φ = 29917913760.

The previous prime is 30203144281. The next prime is 30203144369. The reversal of 30203144303 is 30344130203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30203144303 - 228 = 29934708847 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 (30203144003) 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 7 ways as a sum of consecutive naturals, for example, 386858 + ... + 458328.

It is an arithmetic number, because the mean of its divisors is an integer number (3811065720).

Almost surely, 230203144303 is an apocalyptic number.

30203144303 is a deficient number, since it is larger than the sum of its proper divisors (285381457).

30203144303 is a wasteful number, since it uses less digits than its factorization.

30203144303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75457.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30203144303 its reverse (30344130203), we get a palindrome (60547274506).

The spelling of 30203144303 in words is "thirty billion, two hundred three million, one hundred forty-four thousand, three hundred three".

Divisors: 1 109 3877 71471 422593 7790339 277093067 30203144303