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2143205552 = 24197679951
BaseRepresentation
bin111111110111110…
…1011100010110000
312112100211010022102
41333233223202300
513342130034202
6552400155532
7104052642455
oct17757534260
95470733272
102143205552
119aa869064
124b9908ba8
13282037787
141648d582c
15c824dd02
hex7fbeb8b0

2143205552 has 20 divisors (see below), whose sum is σ = 4173545376. Its totient is φ = 1066161600.

The previous prime is 2143205549. The next prime is 2143205569. The reversal of 2143205552 is 2555023412.

It is a super-3 number, since 3×21432055523 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336824 + ... + 343127.

Almost surely, 22143205552 is an apocalyptic number.

It is an amenable number.

2143205552 is a deficient number, since it is larger than the sum of its proper divisors (2030339824).

2143205552 is a wasteful number, since it uses less digits than its factorization.

2143205552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680156 (or 680150 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2143205552 is about 46294.7680845255. The cubic root of 2143205552 is about 1289.3018580802.

Adding to 2143205552 its reverse (2555023412), we get a palindrome (4698228964).

The spelling of 2143205552 in words is "two billion, one hundred forty-three million, two hundred five thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 197 394 788 1576 3152 679951 1359902 2719804 5439608 10879216 133950347 267900694 535801388 1071602776 2143205552