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104215316341 = 132721785221
BaseRepresentation
bin110000100001110110…
…1111000011101110101
3100221222221111121012011
41201003231320131311
53201413110110331
6115513103524221
710346360400343
oct1410355703565
9327887447164
10104215316341
1140219913714
12182455b9671
139a9ac1ba76
145088c22993
152a9e3423b1
hex1843b78775

104215316341 has 4 divisors (see below), whose sum is σ = 104216234284. Its totient is φ = 104214398400.

The previous prime is 104215316339. The next prime is 104215316351. The reversal of 104215316341 is 143613512401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 103863753841 + 351562500 = 322279^2 + 18750^2 .

It is a cyclic number.

It is not a de Polignac number, because 104215316341 - 21 = 104215316339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104215316351) 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, 259890 + ... + 525331.

It is an arithmetic number, because the mean of its divisors is an integer number (26054058571).

Almost surely, 2104215316341 is an apocalyptic number.

It is an amenable number.

104215316341 is a deficient number, since it is larger than the sum of its proper divisors (917943).

104215316341 is an equidigital number, since it uses as much as digits as its factorization.

104215316341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917942.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 104215316341 its reverse (143613512401), we get a palindrome (247828828742).

The spelling of 104215316341 in words is "one hundred four billion, two hundred fifteen million, three hundred sixteen thousand, three hundred forty-one".

Divisors: 1 132721 785221 104215316341