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2143104432 = 24376378287
BaseRepresentation
bin111111110111101…
…0010110110110000
312112100121222121020
41333233102312300
513342113320212
6552354055440
7104052041610
oct17757226660
95470558536
102143104432
119aa7aa097
124b987a580
13282000741
141648aaa40
15c822dd8c
hex7fbd2db0

2143104432 has 40 divisors (see below), whose sum is σ = 6327261696. Its totient is φ = 612315456.

The previous prime is 2143104413. The next prime is 2143104433. The reversal of 2143104432 is 2344013412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2143104433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3188808 + ... + 3189479.

Almost surely, 22143104432 is an apocalyptic number.

It is an amenable number.

2143104432 is an abundant number, since it is smaller than the sum of its proper divisors (4184157264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143104432 is a wasteful number, since it uses less digits than its factorization.

2143104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378305 (or 6378299 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2143104432 is about 46293.6759395924. The cubic root of 2143104432 is about 1289.2815806265.

Adding to 2143104432 its reverse (2344013412), we get a palindrome (4487117844).

The spelling of 2143104432 in words is "two billion, one hundred forty-three million, one hundred four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 6378287 12756574 19134861 25513148 38269722 44648009 51026296 76539444 89296018 102052592 133944027 153078888 178592036 267888054 306157776 357184072 535776108 714368144 1071552216 2143104432