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42403041041 = 299715073957
BaseRepresentation
bin100111011111011010…
…110000111100010001
311001110010210200002112
4213133122300330101
51143320134303131
631251340155105
73030533621234
oct473732607421
9131403720075
1042403041041
1116a8a458379
128274838a95
133cc9b9443a
1420a37bd41b
15118295e02b
hex9df6b0f11

42403041041 has 8 divisors (see below), whose sum is σ = 44317436520. Its totient is φ = 40518793728.

The previous prime is 42403041029. The next prime is 42403041047. The reversal of 42403041041 is 14014030424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6199987600 + 36203053441 = 78740^2 + 190271^2 .

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 42403041041 - 230 = 41329299217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42403040998 and 42403041016.

It is not an unprimeable number, because it can be changed into a prime (42403041047) 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, 7534166 + ... + 7539791.

It is an arithmetic number, because the mean of its divisors is an integer number (5539679565).

Almost surely, 242403041041 is an apocalyptic number.

It is an amenable number.

42403041041 is a deficient number, since it is larger than the sum of its proper divisors (1914395479).

42403041041 is a wasteful number, since it uses less digits than its factorization.

42403041041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074083.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42403041041 its reverse (14014030424), we get a palindrome (56417071465).

The spelling of 42403041041 in words is "forty-two billion, four hundred three million, forty-one thousand, forty-one".

Divisors: 1 29 97 2813 15073957 437144753 1462173829 42403041041