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195865386080 = 255713471931483
BaseRepresentation
bin1011011001101001111…
…1001001110001100000
3200201120012021112110112
42312122133021301200
511202113014323310
6225551310550452
720102504212010
oct2663237116140
9621505245415
10195865386080
117607a9a4601
1231b62b08428
1315615857b70
1496a0d29c40
1551654ad705
hex2d9a7c9c60

195865386080 has 384 divisors, whose sum is σ = 585041522688. Its totient is φ = 60314222592.

The previous prime is 195865386053. The next prime is 195865386103. The reversal of 195865386080 is 80683568591.

195865386080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 132073019 + ... + 132074501.

It is an arithmetic number, because the mean of its divisors is an integer number (1523545632).

Almost surely, 2195865386080 is an apocalyptic number.

195865386080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195865386080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292520761344).

195865386080 is an abundant number, since it is smaller than the sum of its proper divisors (389176136608).

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

195865386080 is a wasteful number, since it uses less digits than its factorization.

195865386080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 195865386080 in words is "one hundred ninety-five billion, eight hundred sixty-five million, three hundred eighty-six thousand, eighty".