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20301443039 = 1091657112403
BaseRepresentation
bin10010111010000011…
…110110111111011111
31221101211202011100202
4102322003312333133
5313034132134124
613154254214115
71316042263403
oct227203667737
957354664322
1020301443039
1186786a96a9
123b26ab433b
131bb6c8c4b7
14da8353103
157dc4625ae
hex4ba0f6fdf

20301443039 has 8 divisors (see below), whose sum is σ = 20500241520. Its totient is φ = 20102872896.

The previous prime is 20301442999. The next prime is 20301443077. The reversal of 20301443039 is 93034410302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20301443039 is a prime.

It is a super-3 number, since 3×203014430393 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301440039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124412 + ... + 236814.

It is an arithmetic number, because the mean of its divisors is an integer number (2562530190).

Almost surely, 220301443039 is an apocalyptic number.

20301443039 is a deficient number, since it is larger than the sum of its proper divisors (198798481).

20301443039 is a wasteful number, since it uses less digits than its factorization.

20301443039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114169.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 20301443039 in words is "twenty billion, three hundred one million, four hundred forty-three thousand, thirty-nine".

Divisors: 1 109 1657 112403 180613 12251927 186251771 20301443039