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43344430013 = 419431240017
BaseRepresentation
bin101000010111100001…
…111000001110111101
311010212202012011222202
4220113201320032331
51202232133230023
631525005321245
73063054401423
oct502741701675
9133782164882
1043344430013
1117422889895
128497b66225
134119c1c931
142152831113
1511da414128
hexa178783bd

43344430013 has 8 divisors (see below), whose sum is σ = 43548865920. Its totient is φ = 43140475840.

The previous prime is 43344430007. The next prime is 43344430049. The reversal of 43344430013 is 31003444334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43344430013 - 28 = 43344429757 is a prime.

It is a super-2 number, since 2×433444300132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43344430313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60581 + ... + 300597.

It is an arithmetic number, because the mean of its divisors is an integer number (5443608240).

Almost surely, 243344430013 is an apocalyptic number.

It is an amenable number.

43344430013 is a deficient number, since it is larger than the sum of its proper divisors (204435907).

43344430013 is a wasteful number, since it uses less digits than its factorization.

43344430013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240867.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 43344430013 its reverse (31003444334), we get a palindrome (74347874347).

The spelling of 43344430013 in words is "forty-three billion, three hundred forty-four million, four hundred thirty thousand, thirteen".

Divisors: 1 419 431 180589 240017 100567123 103447327 43344430013