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42231024313 = 85349508821
BaseRepresentation
bin100111010101001010…
…100100101010111001
311001000011010022111121
4213111022210222321
51142442120234223
631222313225241
73023344532602
oct472512445271
9131004108447
1042231024313
1116a01348695
128227102221
133ca03571aa
142088a02da9
1511727d115d
hex9d52a4ab9

42231024313 has 4 divisors (see below), whose sum is σ = 42280533988. Its totient is φ = 42181514640.

The previous prime is 42231024259. The next prime is 42231024361. The reversal of 42231024313 is 31342013224.

42231024313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13579707024 + 28651317289 = 116532^2 + 169267^2 .

It is a cyclic number.

It is not a de Polignac number, because 42231024313 - 221 = 42228927161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42231024013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24753558 + ... + 24755263.

It is an arithmetic number, because the mean of its divisors is an integer number (10570133497).

Almost surely, 242231024313 is an apocalyptic number.

It is an amenable number.

42231024313 is a deficient number, since it is larger than the sum of its proper divisors (49509675).

42231024313 is an equidigital number, since it uses as much as digits as its factorization.

42231024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49509674.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42231024313 its reverse (31342013224), we get a palindrome (73573037537).

The spelling of 42231024313 in words is "forty-two billion, two hundred thirty-one million, twenty-four thousand, three hundred thirteen".

Divisors: 1 853 49508821 42231024313