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42351423353 = 72375852069
BaseRepresentation
bin100111011100010101…
…110110111101111001
311001022112200012221022
4213130111312331321
51143213431021403
631242253552225
73026336105321
oct473425667571
9131275605838
1042351423353
1116a63302228
12825b4a5675
133cbc290925
14209a9c4281
15117d164d38
hex9dc576f79

42351423353 has 4 divisors (see below), whose sum is σ = 42357282660. Its totient is φ = 42345564048.

The previous prime is 42351423347. The next prime is 42351423371. The reversal of 42351423353 is 35332415324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17991393424 + 24360029929 = 134132^2 + 156077^2 .

It is a cyclic number.

It is not a de Polignac number, because 42351423353 - 28 = 42351423097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42351423343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918798 + ... + 2933271.

It is an arithmetic number, because the mean of its divisors is an integer number (10589320665).

Almost surely, 242351423353 is an apocalyptic number.

It is an amenable number.

42351423353 is a deficient number, since it is larger than the sum of its proper divisors (5859307).

42351423353 is an equidigital number, since it uses as much as digits as its factorization.

42351423353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859306.

The product of its digits is 129600, while the sum is 35.

Adding to 42351423353 its reverse (35332415324), we get a palindrome (77683838677).

The spelling of 42351423353 in words is "forty-two billion, three hundred fifty-one million, four hundred twenty-three thousand, three hundred fifty-three".

Divisors: 1 7237 5852069 42351423353