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104344040403013 = 1721879719207961
BaseRepresentation
bin10111101110011001111101…
…011101100111000001000101
3111200110012012120201112102111
4113232121331131213001011
5102134033043320344023
61005530553532341021
730656415410262325
oct2756317535470105
9450405176645374
10104344040403013
113027a071622724
12b8526a8014771
13462b7a6c1c338
141baa3c82d1285
15c0e3644c700d
hex5ee67d767045

104344040403013 has 12 divisors (see below), whose sum is σ = 110848879790532. Its totient is φ = 98200925995520.

The previous prime is 104344040403011. The next prime is 104344040403019. The reversal of 104344040403013 is 310304040443401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7893217203169 + 96450823199844 = 2809487^2 + 9820938^2 .

It is not a de Polignac number, because 104344040403013 - 21 = 104344040403011 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 (104344040403011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4171648 + ... + 15036313.

It is an arithmetic number, because the mean of its divisors is an integer number (9237406649211).

Almost surely, 2104344040403013 is an apocalyptic number.

It is an amenable number.

104344040403013 is a deficient number, since it is larger than the sum of its proper divisors (6504839387519).

104344040403013 is a wasteful number, since it uses less digits than its factorization.

104344040403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19226792 (or 19226775 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 104344040403013 its reverse (310304040443401), we get a palindrome (414648080846414).

The spelling of 104344040403013 in words is "one hundred four trillion, three hundred forty-four billion, forty million, four hundred three thousand, thirteen".

Divisors: 1 17 289 18797 319549 5432333 19207961 326535337 5551100729 361052042917 6137884729589 104344040403013