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8195485558656 = 2731123215432377
BaseRepresentation
bin111011101000010100100…
…0000010110011110000000
31002000110222110221201001110
41313100221000112132000
52033233323300334111
625232542030003320
71504050525564534
oct167205100263600
932013873851043
108195485558656
11267a75aa3a880
12b0440b646540
13475aa5851566
14204940d75bc4
15e32b3de75a6
hex77429016780

8195485558656 has 384 divisors, whose sum is σ = 24852248951040. Its totient is φ = 2372964802560.

The previous prime is 8195485558609. The next prime is 8195485558669. The reversal of 8195485558656 is 6568555845918.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3447826140 + ... + 3447828516.

It is an arithmetic number, because the mean of its divisors is an integer number (64719398310).

Almost surely, 28195485558656 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 8195485558656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12426124475520).

8195485558656 is an abundant number, since it is smaller than the sum of its proper divisors (16656763392384).

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

8195485558656 is a wasteful number, since it uses less digits than its factorization.

8195485558656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994 (or 3959 counting only the distinct ones).

The product of its digits is 2073600000, while the sum is 75.

The spelling of 8195485558656 in words is "eight trillion, one hundred ninety-five billion, four hundred eighty-five million, five hundred fifty-eight thousand, six hundred fifty-six".