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42003420233 = 82963506291
BaseRepresentation
bin100111000111100110…
…010101010001001001
311000102021211211101212
4213013212111101021
51142010333421413
631143543022505
73014612116055
oct470746252111
9130367754355
1042003420233
11168a4921345
128182a3aa35
133c65156618
1420666b6c65
15115c822ca8
hex9c7995449

42003420233 has 4 divisors (see below), whose sum is σ = 42004009488. Its totient is φ = 42002830980.

The previous prime is 42003420197. The next prime is 42003420253. The reversal of 42003420233 is 33202430024.

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.

It is a cyclic number.

It is not a de Polignac number, because 42003420233 - 28 = 42003419977 is a prime.

It is a super-2 number, since 2×420034202332 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42003420199 and 42003420208.

It is not an unprimeable number, because it can be changed into a prime (42003420253) 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, 170183 + ... + 336108.

It is an arithmetic number, because the mean of its divisors is an integer number (10501002372).

Almost surely, 242003420233 is an apocalyptic number.

It is an amenable number.

42003420233 is a deficient number, since it is larger than the sum of its proper divisors (589255).

42003420233 is an equidigital number, since it uses as much as digits as its factorization.

42003420233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589254.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 42003420233 its reverse (33202430024), we get a palindrome (75205850257).

The spelling of 42003420233 in words is "forty-two billion, three million, four hundred twenty thousand, two hundred thirty-three".

Divisors: 1 82963 506291 42003420233