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6782542930 = 251438947137
BaseRepresentation
bin1100101000100010…
…10110010001010010
3122111200112212202201
412110101112101102
5102342312333210
63041005233414
7330035443432
oct62421262122
918450485681
106782542930
112970628989
12139356286a
13841248b17
14484b122c2
1529a6b253a
hex194456452

6782542930 has 16 divisors (see below), whose sum is σ = 12209684760. Its totient is φ = 2712771072.

The previous prime is 6782542919. The next prime is 6782542937. The reversal of 6782542930 is 392452876.

It can be written as a sum of positive squares in 4 ways, for example, as 2281877361 + 4500665569 = 47769^2 + 67087^2 .

It is not an unprimeable number, because it can be changed into a prime (6782542937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120322 + ... + 167458.

Almost surely, 26782542930 is an apocalyptic number.

6782542930 is a deficient number, since it is larger than the sum of its proper divisors (5427141830).

6782542930 is a wasteful number, since it uses less digits than its factorization.

6782542930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61533.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 6782542930 is about 82356.1954560797. The cubic root of 6782542930 is about 1892.9138568140.

The spelling of 6782542930 in words is "six billion, seven hundred eighty-two million, five hundred forty-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 14389 28778 47137 71945 94274 143890 235685 471370 678254293 1356508586 3391271465 6782542930