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42104344333 = 61690235153
BaseRepresentation
bin100111001101100111…
…010100111100001101
311000200022202022020111
4213031213110330031
51142212203004313
631201550120021
73020246010322
oct471547247415
9130608668214
1042104344333
1116946894097
1281b07b0011
133c8003191c
142075c68b49
15116660b43d
hex9cd9d4f0d

42104344333 has 4 divisors (see below), whose sum is σ = 42794579548. Its totient is φ = 41414109120.

The previous prime is 42104344319. The next prime is 42104344409. The reversal of 42104344333 is 33344340124.

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 3053446564 + 39050897769 = 55258^2 + 197613^2 .

It is a cyclic number.

It is not a de Polignac number, because 42104344333 - 25 = 42104344301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42104344295 and 42104344304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42104344133) 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, 345117516 + ... + 345117637.

It is an arithmetic number, because the mean of its divisors is an integer number (10698644887).

Almost surely, 242104344333 is an apocalyptic number.

It is an amenable number.

42104344333 is a deficient number, since it is larger than the sum of its proper divisors (690235215).

42104344333 is an equidigital number, since it uses as much as digits as its factorization.

42104344333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690235214.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 42104344333 its reverse (33344340124), we get a palindrome (75448684457).

The spelling of 42104344333 in words is "forty-two billion, one hundred four million, three hundred forty-four thousand, three hundred thirty-three".

Divisors: 1 61 690235153 42104344333