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20301343023 = 3133116791847
BaseRepresentation
bin10010111010000011…
…011110100100101111
31221101211120002011110
4102322003132210233
5313034120434043
613154252123103
71316041365663
oct227203364457
957354502143
1020301343023
118678640545
123b26a66493
131bb6c55b10
14da83288a3
157dc442b33
hex4ba0de92f

20301343023 has 16 divisors (see below), whose sum is σ = 30090991616. Its totient is φ = 12090129120.

The previous prime is 20301343021. The next prime is 20301343063. The reversal of 20301343023 is 32034310302.

It is not a de Polignac number, because 20301343023 - 21 = 20301343021 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 (20301343021) 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 15 ways as a sum of consecutive naturals, for example, 8394715 + ... + 8397132.

It is an arithmetic number, because the mean of its divisors is an integer number (1880686976).

Almost surely, 220301343023 is an apocalyptic number.

20301343023 is a deficient number, since it is larger than the sum of its proper divisors (9789648593).

20301343023 is a wasteful number, since it uses less digits than its factorization.

20301343023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16791894.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20301343023 its reverse (32034310302), we get a palindrome (52335653325).

The spelling of 20301343023 in words is "twenty billion, three hundred one million, three hundred forty-three thousand, twenty-three".

Divisors: 1 3 13 31 39 93 403 1209 16791847 50375541 218294011 520547257 654882033 1561641771 6767114341 20301343023