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2143304201 = 2820176001
BaseRepresentation
bin111111111000000…
…0011101000001001
312112101000010122002
41333300003220021
513342141213301
6552402240345
7104053533203
oct17760035011
95471003562
102143304201
119aa926195
124b99560b5
1328207064c
1416491d773
15c826d16b
hex7fc03a09

2143304201 has 4 divisors (see below), whose sum is σ = 2143408404. Its totient is φ = 2143200000.

The previous prime is 2143304171. The next prime is 2143304209. The reversal of 2143304201 is 1024033412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1484098576 + 659205625 = 38524^2 + 25675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143304201 - 210 = 2143303177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143304209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9800 + ... + 66201.

It is an arithmetic number, because the mean of its divisors is an integer number (535852101).

Almost surely, 22143304201 is an apocalyptic number.

It is an amenable number.

2143304201 is a deficient number, since it is larger than the sum of its proper divisors (104203).

2143304201 is an equidigital number, since it uses as much as digits as its factorization.

2143304201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104202.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143304201 is about 46295.8335166352. The cubic root of 2143304201 is about 1289.3216394132.

Adding to 2143304201 its reverse (1024033412), we get a palindrome (3167337613).

The spelling of 2143304201 in words is "two billion, one hundred forty-three million, three hundred four thousand, two hundred one".

Divisors: 1 28201 76001 2143304201