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42321111241 = 180287234743
BaseRepresentation
bin100111011010100010…
…001110100011001001
311001020102122012112111
4213122202032203021
51143133201024431
631235252142321
73025520336653
oct473242164311
9131212565474
1042321111241
1116a481892a2
1282513079a1
133cb5c09876
1420969736d3
15117a6787b1
hex9da88e8c9

42321111241 has 4 divisors (see below), whose sum is σ = 42321526272. Its totient is φ = 42320696212.

The previous prime is 42321111223. The next prime is 42321111359. The reversal of 42321111241 is 14211112324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42321111241 - 219 = 42320586953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42321111541) 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 3 ways as a sum of consecutive naturals, for example, 62916 + ... + 297658.

It is an arithmetic number, because the mean of its divisors is an integer number (10580381568).

Almost surely, 242321111241 is an apocalyptic number.

It is an amenable number.

42321111241 is a deficient number, since it is larger than the sum of its proper divisors (415031).

42321111241 is a wasteful number, since it uses less digits than its factorization.

42321111241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415030.

The product of its digits is 384, while the sum is 22.

Adding to 42321111241 its reverse (14211112324), we get a palindrome (56532223565).

The spelling of 42321111241 in words is "forty-two billion, three hundred twenty-one million, one hundred eleven thousand, two hundred forty-one".

Divisors: 1 180287 234743 42321111241