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42530306333 = 173245839921
BaseRepresentation
bin100111100111000000…
…001111100100011101
311001210000021102020212
4213213000033210131
51144100224300313
631312124022205
73033640432124
oct474700174435
9131700242225
1042530306333
11170452816a9
1282ab391965
13401a363248
1420b666aabb
15118dbec3a8
hex9e700f91d

42530306333 has 4 divisors (see below), whose sum is σ = 42776146428. Its totient is φ = 42284466240.

The previous prime is 42530306327. The next prime is 42530306339. The reversal of 42530306333 is 33360303524.

42530306333 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 is an interprime number because it is at equal distance from previous prime (42530306327) and next prime (42530306339).

It can be written as a sum of positive squares in 2 ways, for example, as 22173294649 + 20357011684 = 148907^2 + 142678^2 .

It is not a de Polignac number, because 42530306333 - 24 = 42530306317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42530306333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530306339) 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, 122919788 + ... + 122920133.

It is an arithmetic number, because the mean of its divisors is an integer number (10694036607).

Almost surely, 242530306333 is an apocalyptic number.

It is an amenable number.

42530306333 is a deficient number, since it is larger than the sum of its proper divisors (245840095).

42530306333 is a wasteful number, since it uses less digits than its factorization.

42530306333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245840094.

The product of its (nonzero) digits is 58320, while the sum is 32.

Adding to 42530306333 its reverse (33360303524), we get a palindrome (75890609857).

The spelling of 42530306333 in words is "forty-two billion, five hundred thirty million, three hundred six thousand, three hundred thirty-three".

Divisors: 1 173 245839921 42530306333