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20098505343 = 374373304897
BaseRepresentation
bin10010101101111101…
…101101101001111111
31220212200212212011210
4102231331231221333
5312130204132333
613122204415503
71311026322330
oct225575555177
956780785153
1020098505343
11858409a5a4
123a8ab47593
131b83c17017
14d89408287
157c9727a63
hex4adf6da7f

20098505343 has 32 divisors (see below), whose sum is σ = 31767932416. Its totient is φ = 11064066048.

The previous prime is 20098505333. The next prime is 20098505359. The reversal of 20098505343 is 34350589002.

It is not a de Polignac number, because 20098505343 - 214 = 20098488959 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 (20098505333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86530 + ... + 218367.

It is an arithmetic number, because the mean of its divisors is an integer number (992747888).

Almost surely, 220098505343 is an apocalyptic number.

20098505343 is a deficient number, since it is larger than the sum of its proper divisors (11669427073).

20098505343 is a wasteful number, since it uses less digits than its factorization.

20098505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305023.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 20098505343 in words is "twenty billion, ninety-eight million, five hundred five thousand, three hundred forty-three".

Divisors: 1 3 7 21 43 73 129 219 301 511 903 1533 3139 9417 21973 65919 304897 914691 2134279 6402837 13110571 22257481 39331713 66772443 91773997 155802367 275321991 467407101 957071683 2871215049 6699501781 20098505343