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5686539344640 = 283557211107317
BaseRepresentation
bin101001011000000000000…
…1010000101101100000000
3202010121221201000101100000
41102300000022011230000
51221132013033012030
620032205441200000
71124560513622400
oct122600012055400
922117851011300
105686539344640
1118a27142375a0
1277a10a630000
133233138a187b
1415933108c800
159cdbebd1860
hex52c00285b00

5686539344640 has 2592 divisors, whose sum is σ = 26216850127104. Its totient is φ = 1166882734080.

The previous prime is 5686539344639. The next prime is 5686539344687. The reversal of 5686539344640 is 464439356865.

5686539344640 is a `hidden beast` number, since 5 + 6 + 8 + 6 + 539 + 34 + 4 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2592).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 17938609762 + ... + 17938610078.

It is an arithmetic number, because the mean of its divisors is an integer number (10114525512).

Almost surely, 25686539344640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5686539344640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13108425063552).

5686539344640 is an abundant number, since it is smaller than the sum of its proper divisors (20530310782464).

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

5686539344640 is a wasteful number, since it uses less digits than its factorization.

5686539344640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 63.

The spelling of 5686539344640 in words is "five trillion, six hundred eighty-six billion, five hundred thirty-nine million, three hundred forty-four thousand, six hundred forty".