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3143403205 = 5628680641
BaseRepresentation
bin1011101101011100…
…1000011011000101
322010001212102112221
42323113020123011
522414202400310
61235530012341
7140616325555
oct27327103305
98101772487
103143403205
111373407398
127388770b1
133b13138c7
1421b695165
15135e6dada
hexbb5c86c5

3143403205 has 4 divisors (see below), whose sum is σ = 3772083852. Its totient is φ = 2514722560.

The previous prime is 3143403203. The next prime is 3143403209. The reversal of 3143403205 is 5023043413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5023043413 = 13723366031.

It can be written as a sum of positive squares in 2 ways, for example, as 785232484 + 2358170721 = 28022^2 + 48561^2 .

It is not a de Polignac number, because 3143403205 - 21 = 3143403203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3143403205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143403203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314340316 + ... + 314340325.

It is an arithmetic number, because the mean of its divisors is an integer number (943020963).

Almost surely, 23143403205 is an apocalyptic number.

It is an amenable number.

3143403205 is a deficient number, since it is larger than the sum of its proper divisors (628680647).

3143403205 is an equidigital number, since it uses as much as digits as its factorization.

3143403205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628680646.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3143403205 is about 56066.0610797655. The cubic root of 3143403205 is about 1464.8731896433.

Adding to 3143403205 its reverse (5023043413), we get a palindrome (8166446618).

The spelling of 3143403205 in words is "three billion, one hundred forty-three million, four hundred three thousand, two hundred five".

Divisors: 1 5 628680641 3143403205