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42304857717 = 348728956097
BaseRepresentation
bin100111011001100100…
…001110011001110101
311001012022001102220010
4213121210032121311
51143120020421332
631233511530433
73025232233413
oct473144163165
9131168042803
1042304857717
1116a39a97831
128247989a19
133cb27387b5
1420947422b3
1511790179cc
hex9d990e675

42304857717 has 8 divisors (see below), whose sum is σ = 56522303296. Its totient is φ = 28145325312.

The previous prime is 42304857689. The next prime is 42304857719. The reversal of 42304857717 is 71775840324.

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

It is not a de Polignac number, because 42304857717 - 26 = 42304857653 is a prime.

It is a super-2 number, since 2×423048577172 (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 (42304857719) 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, 14476588 + ... + 14479509.

It is an arithmetic number, because the mean of its divisors is an integer number (7065287912).

Almost surely, 242304857717 is an apocalyptic number.

It is an amenable number.

42304857717 is a deficient number, since it is larger than the sum of its proper divisors (14217445579).

42304857717 is a wasteful number, since it uses less digits than its factorization.

42304857717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956587.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 42304857717 in words is "forty-two billion, three hundred four million, eight hundred fifty-seven thousand, seven hundred seventeen".

Divisors: 1 3 487 1461 28956097 86868291 14101619239 42304857717