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20053460343 = 374734135953
BaseRepresentation
bin10010101011010001…
…111000010101110111
31220202120010100001110
4102223101320111313
5312032141212333
613113515130103
71306641412650
oct225321702567
956676110043
1020053460343
118560723624
123a77a43933
131b777a5087
14d83440527
157c57cb063
hex4ab478577

20053460343 has 32 divisors (see below), whose sum is σ = 31222204416. Its totient is φ = 11210139648.

The previous prime is 20053460333. The next prime is 20053460353. The reversal of 20053460343 is 34306435002.

It is an interprime number because it is at equal distance from previous prime (20053460333) and next prime (20053460353).

It is not a de Polignac number, because 20053460343 - 26 = 20053460279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20053460343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053460333) 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 31 ways as a sum of consecutive naturals, for example, 3365655 + ... + 3371607.

It is an arithmetic number, because the mean of its divisors is an integer number (975693888).

Almost surely, 220053460343 is an apocalyptic number.

20053460343 is a deficient number, since it is larger than the sum of its proper divisors (11168744073).

20053460343 is a wasteful number, since it uses less digits than its factorization.

20053460343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 20053460343 its reverse (34306435002), we get a palindrome (54359895345).

The spelling of 20053460343 in words is "twenty billion, fifty-three million, four hundred sixty thousand, three hundred forty-three".

Divisors: 1 3 7 21 47 141 329 987 3413 5953 10239 17859 23891 41671 71673 125013 160411 279791 481233 839373 1122877 1958537 3368631 5875611 20317589 60952767 142223123 426669369 954926683 2864780049 6684486781 20053460343