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84475311648 = 25372132774987
BaseRepresentation
bin100111010101100011…
…1101111011000100000
322002001020012110110020
41032223013233120200
52341001134433043
6102450223033440
76050243205300
oct1165307573040
9262036173406
1084475311648
113290a124a52
121445673b880
137c73376210
144135299600
1522e6331e83
hex13ab1ef620

84475311648 has 288 divisors, whose sum is σ = 278852583744. Its totient is φ = 22194321408.

The previous prime is 84475311629. The next prime is 84475311691. The reversal of 84475311648 is 84611357448.

It is a self number, because there is not a number n which added to its sum of digits gives 84475311648.

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 47 ways as a sum of consecutive naturals, for example, 16936611 + ... + 16941597.

It is an arithmetic number, because the mean of its divisors is an integer number (968238138).

Almost surely, 284475311648 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 84475311648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139426291872).

84475311648 is an abundant number, since it is smaller than the sum of its proper divisors (194377272096).

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

84475311648 is a wasteful number, since it uses less digits than its factorization.

84475311648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304 (or 5289 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 84475311648 in words is "eighty-four billion, four hundred seventy-five million, three hundred eleven thousand, six hundred forty-eight".