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2128955262343 = 713311239931357
BaseRepresentation
bin11110111110101111100…
…111110100010110000111
321112112012112220220221121
4132332233213310112013
5234340100021343333
64310010055454411
7306545332102030
oct36765747642607
97475175826847
102128955262343
11750980820068
122a4732987407
131259b4b66930
14750832c3a87
153a5a427432d
hex1efaf9f4587

2128955262343 has 32 divisors (see below), whose sum is σ = 2629857484800. Its totient is φ = 1678278476160.

The previous prime is 2128955262311. The next prime is 2128955262349. The reversal of 2128955262343 is 3432625598212.

It is not a de Polignac number, because 2128955262343 - 25 = 2128955262311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128955262349) 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, 67878421 + ... + 67909777.

It is an arithmetic number, because the mean of its divisors is an integer number (82183046400).

Almost surely, 22128955262343 is an apocalyptic number.

2128955262343 is a deficient number, since it is larger than the sum of its proper divisors (500902222457).

2128955262343 is a wasteful number, since it uses less digits than its factorization.

2128955262343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34087.

The product of its digits is 6220800, while the sum is 52.

The spelling of 2128955262343 in words is "two trillion, one hundred twenty-eight billion, nine hundred fifty-five million, two hundred sixty-two thousand, three hundred forty-three".

Divisors: 1 7 13 91 311 2177 2399 4043 16793 28301 31187 31357 218309 219499 407641 746089 2853487 5222623 9699157 9752027 67894099 68264189 75225443 126776351 526578101 887434457 977930759 6845515313 23395112773 163765789411 304136466049 2128955262343