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104042411321 = 277375604373
BaseRepresentation
bin110000011100101101…
…0010011010100111001
3100221112220011010002112
41200321122103110321
53201034324130241
6115444005542105
710342160622152
oct1407132232471
9327486133075
10104042411321
1140140257602
12181b7714935
139a711603c4
14506dc94929
152a8e08b1eb
hex1839693539

104042411321 has 4 divisors (see below), whose sum is σ = 104418015972. Its totient is φ = 103666806672.

The previous prime is 104042411309. The next prime is 104042411339. The reversal of 104042411321 is 123114240401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123114240401 = 367093353789.

It can be written as a sum of positive squares in 2 ways, for example, as 67099649296 + 36942762025 = 259036^2 + 192205^2 .

It is a cyclic number.

It is not a de Polignac number, because 104042411321 - 218 = 104042149177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104042411351) 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, 187801910 + ... + 187802463.

It is an arithmetic number, because the mean of its divisors is an integer number (26104503993).

Almost surely, 2104042411321 is an apocalyptic number.

It is an amenable number.

104042411321 is a deficient number, since it is larger than the sum of its proper divisors (375604651).

104042411321 is an equidigital number, since it uses as much as digits as its factorization.

104042411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375604650.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 104042411321 its reverse (123114240401), we get a palindrome (227156651722).

The spelling of 104042411321 in words is "one hundred four billion, forty-two million, four hundred eleven thousand, three hundred twenty-one".

Divisors: 1 277 375604373 104042411321