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104450243513 = 7112123317879
BaseRepresentation
bin110000101000110111…
…0000011101110111001
3100222121022120010200112
41201101232003232321
53202403230243023
6115552255114105
710355242264250
oct1412156035671
9328538503615
10104450243513
114032a491a00
12182b0212935
139b077b4925
1450ac0d7797
152ab4c9a478
hex1851b83bb9

104450243513 has 12 divisors (see below), whose sum is σ = 131210224320. Its totient is φ = 81389799480.

The previous prime is 104450243501. The next prime is 104450243519. The reversal of 104450243513 is 315342054401.

It is not a de Polignac number, because 104450243513 - 24 = 104450243497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 104450243513.

It is not an unprimeable number, because it can be changed into a prime (104450243519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61658093 + ... + 61659786.

It is an arithmetic number, because the mean of its divisors is an integer number (10934185360).

Almost surely, 2104450243513 is an apocalyptic number.

It is an amenable number.

104450243513 is a deficient number, since it is larger than the sum of its proper divisors (26759980807).

104450243513 is a wasteful number, since it uses less digits than its factorization.

104450243513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123317908 (or 123317897 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 104450243513 its reverse (315342054401), we get a palindrome (419792297914).

The spelling of 104450243513 in words is "one hundred four billion, four hundred fifty million, two hundred forty-three thousand, five hundred thirteen".

Divisors: 1 7 11 77 121 847 123317879 863225153 1356496669 9495476683 14921463359 104450243513