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42234411413 = 73881656701
BaseRepresentation
bin100111010101010111…
…011111100110010101
311001000101111101201202
4213111113133212111
51142444002131123
631222514002245
73023415400535
oct472527374625
9131011441652
1042234411413
1116a03251447
128228276385
133ca0c71aac
1420892454c5
151172c4ea28
hex9d55df995

42234411413 has 8 divisors (see below), whose sum is σ = 42861626136. Its totient is φ = 41608512000.

The previous prime is 42234411409. The next prime is 42234411433. The reversal of 42234411413 is 31411443224.

It can be written as a sum of positive squares in 4 ways, for example, as 529828324 + 41704583089 = 23018^2 + 204217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42234411413 - 22 = 42234411409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234411433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264038 + ... + 392663.

It is an arithmetic number, because the mean of its divisors is an integer number (5357703267).

Almost surely, 242234411413 is an apocalyptic number.

It is an amenable number.

42234411413 is a deficient number, since it is larger than the sum of its proper divisors (627214723).

42234411413 is an equidigital number, since it uses as much as digits as its factorization.

42234411413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657655.

The product of its digits is 9216, while the sum is 29.

Adding to 42234411413 its reverse (31411443224), we get a palindrome (73645854637).

The spelling of 42234411413 in words is "forty-two billion, two hundred thirty-four million, four hundred eleven thousand, four hundred thirteen".

Divisors: 1 73 881 64313 656701 47939173 578553581 42234411413