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43240313005 = 534939762417
BaseRepresentation
bin101000010001010100…
…101101000010101101
311010121111021111022021
4220101110231002231
51202024010004010
631510405550141
73060351411331
oct502124550255
9133544244267
1043240313005
111737a03617a
128469115351
134101497236
142142a8b7c1
1511d11e98da
hexa1152d0ad

43240313005 has 16 divisors (see below), whose sum is σ = 52168964400. Its totient is φ = 34405696512.

The previous prime is 43240312979. The next prime is 43240313009. The reversal of 43240313005 is 50031304234.

It can be written as a sum of positive squares in 8 ways, for example, as 1925278884 + 41315034121 = 43878^2 + 203261^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240313005 - 213 = 43240304813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240313009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661557 + ... + 723973.

It is an arithmetic number, because the mean of its divisors is an integer number (3260560275).

Almost surely, 243240313005 is an apocalyptic number.

It is an amenable number.

43240313005 is a deficient number, since it is larger than the sum of its proper divisors (8928651395).

43240313005 is a wasteful number, since it uses less digits than its factorization.

43240313005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63168.

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

Adding to 43240313005 its reverse (50031304234), we get a palindrome (93271617239).

The spelling of 43240313005 in words is "forty-three billion, two hundred forty million, three hundred thirteen thousand, five".

Divisors: 1 5 349 397 1745 1985 62417 138553 312085 692765 21783533 24779549 108917665 123897745 8648062601 43240313005