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2143243104 = 25322325449
BaseRepresentation
bin111111110111111…
…0100101101100000
312112100220000211020
41333233310231200
513342132234404
6552401045440
7104053160112
oct17757645540
95470800736
102143243104
119aa8942a2
124b9926880
1328204b8b2
141649053b2
15c8259ed9
hex7fbf4b60

2143243104 has 24 divisors (see below), whose sum is σ = 5626013400. Its totient is φ = 714414336.

The previous prime is 2143243079. The next prime is 2143243117. The reversal of 2143243104 is 4013423412.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

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, 11162629 + ... + 11162820.

It is an arithmetic number, because the mean of its divisors is an integer number (234417225).

Almost surely, 22143243104 is an apocalyptic number.

2143243104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2143243104 is an abundant number, since it is smaller than the sum of its proper divisors (3482770296).

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

2143243104 is a wasteful number, since it uses less digits than its factorization.

2143243104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22325462 (or 22325454 counting only the distinct ones).

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

The square root of 2143243104 is about 46295.1736577367. The cubic root of 2143243104 is about 1289.3093881685.

Adding to 2143243104 its reverse (4013423412), we get a palindrome (6156666516).

The spelling of 2143243104 in words is "two billion, one hundred forty-three million, two hundred forty-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 22325449 44650898 66976347 89301796 133952694 178603592 267905388 357207184 535810776 714414368 1071621552 2143243104