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8197243372896 = 25385387951801
BaseRepresentation
bin111011101001001000111…
…0001111000010101100000
31002000122111222120220212120
41313102101301320111200
52033300423300413041
625233432302024240
71504142222011434
oct167222161702540
932018458526776
108197243372896
112680482200716
12b04820278080
13475cc5a90c26
14204a6a5ca9c4
15e33683bb366
hex77491c78560

8197243372896 has 24 divisors (see below), whose sum is σ = 21517763854104. Its totient is φ = 2732414457600.

The previous prime is 8197243372783. The next prime is 8197243372951. The reversal of 8197243372896 is 6982733427918.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8197243372896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42693975805 + ... + 42693975996.

It is an arithmetic number, because the mean of its divisors is an integer number (896573493921).

Almost surely, 28197243372896 is an apocalyptic number.

It is an amenable number.

8197243372896 is an abundant number, since it is smaller than the sum of its proper divisors (13320520481208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8197243372896 is a wasteful number, since it uses less digits than its factorization.

8197243372896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85387951814 (or 85387951806 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 69.

The spelling of 8197243372896 in words is "eight trillion, one hundred ninety-seven billion, two hundred forty-three million, three hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 85387951801 170775903602 256163855403 341551807204 512327710806 683103614408 1024655421612 1366207228816 2049310843224 2732414457632 4098621686448 8197243372896