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204310004143 = 729187143449
BaseRepresentation
bin1011111001000111010…
…0110100000110101111
3201112100201022120200111
42332101310310012233
511321411330113033
6233505252240451
720521664244520
oct2762164640657
9645321276614
10204310004143
11797137420a3
123371b010127
131636023209b
149c62690847
1554aba327cd
hex2f91d341af

204310004143 has 4 divisors (see below), whose sum is σ = 233497147600. Its totient is φ = 175122860688.

The previous prime is 204310004089. The next prime is 204310004179. The reversal of 204310004143 is 341400013402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204310004143 - 213 = 204309995951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204310004183) 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, 14593571718 + ... + 14593571731.

It is an arithmetic number, because the mean of its divisors is an integer number (58374286900).

Almost surely, 2204310004143 is an apocalyptic number.

204310004143 is a deficient number, since it is larger than the sum of its proper divisors (29187143457).

204310004143 is an equidigital number, since it uses as much as digits as its factorization.

204310004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29187143456.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 204310004143 its reverse (341400013402), we get a palindrome (545710017545).

The spelling of 204310004143 in words is "two hundred four billion, three hundred ten million, four thousand, one hundred forty-three".

Divisors: 1 7 29187143449 204310004143