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42034310421 = 3109097128431
BaseRepresentation
bin100111001001011100…
…001010110100010101
311000111102222012202220
4213021130022310111
51142041240413141
631151005052553
73015435512655
oct471134126425
9130442865686
1042034310421
11169102aa624
128191257159
133c6b68083c
14206a838365
1511603c5766
hex9c970ad15

42034310421 has 8 divisors (see below), whose sum is σ = 56046697344. Its totient is φ = 28022398560.

The previous prime is 42034310359. The next prime is 42034310443. The reversal of 42034310421 is 12401343024.

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

It is not a de Polignac number, because 42034310421 - 29 = 42034309909 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42034310391 and 42034310400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42034310921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263076 + ... + 391506.

It is an arithmetic number, because the mean of its divisors is an integer number (7005837168).

Almost surely, 242034310421 is an apocalyptic number.

It is an amenable number.

42034310421 is a deficient number, since it is larger than the sum of its proper divisors (14012386923).

42034310421 is a wasteful number, since it uses less digits than its factorization.

42034310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237531.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42034310421 its reverse (12401343024), we get a palindrome (54435653445).

The spelling of 42034310421 in words is "forty-two billion, thirty-four million, three hundred ten thousand, four hundred twenty-one".

Divisors: 1 3 109097 128431 327291 385293 14011436807 42034310421