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42340385069 = 269748721023
BaseRepresentation
bin100111011011101011…
…110000000100101101
311001021202220102020222
4213123223300010231
51143203114310234
631241221221125
73026143222613
oct473353600455
9131252812228
1042340385069
1116a58052a84
1282578617a5
133cb9bc75b8
14209934d6b3
15117c1d442e
hex9dbaf012d

42340385069 has 8 divisors (see below), whose sum is σ = 42505482240. Its totient is φ = 42175345456.

The previous prime is 42340385041. The next prime is 42340385081. The reversal of 42340385069 is 96058304324.

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 42340385069 - 228 = 42071949613 is a prime.

It is a super-2 number, since 2×423403850692 (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 (42340382069) 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, 2003492 + ... + 2024514.

It is an arithmetic number, because the mean of its divisors is an integer number (5313185280).

Almost surely, 242340385069 is an apocalyptic number.

It is an amenable number.

42340385069 is a deficient number, since it is larger than the sum of its proper divisors (165097171).

42340385069 is a wasteful number, since it uses less digits than its factorization.

42340385069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 42340385069 in words is "forty-two billion, three hundred forty million, three hundred eighty-five thousand, sixty-nine".

Divisors: 1 269 7487 21023 2014003 5655187 157399201 42340385069