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2150085600 = 2533521321931
BaseRepresentation
bin1000000000100111…
…1011001111100000
312112211202122222000
42000021323033200
513400410214400
6553203444000
7104165266065
oct20011731740
95484678860
102150085600
11a03738153
12500086600
132835a6200
141657a6c6c
15c8b5c600
hex8027b3e0

2150085600 has 864 divisors, whose sum is σ = 9149414400. Its totient is φ = 485222400.

The previous prime is 2150085589. The next prime is 2150085629. The reversal of 2150085600 is 65800512.

2150085600 is a `hidden beast` number, since 2 + 1 + 50 + 0 + 8 + 5 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 69357585 + ... + 69357615.

It is an arithmetic number, because the mean of its divisors is an integer number (10589600).

Almost surely, 22150085600 is an apocalyptic number.

2150085600 is a gapful number since it is divisible by the number (20) 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 2150085600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4574707200).

2150085600 is an abundant number, since it is smaller than the sum of its proper divisors (6999328800).

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

2150085600 is a wasteful number, since it uses less digits than its factorization.

2150085600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2150085600 is about 46369.0155168298. The cubic root of 2150085600 is about 1290.6800092440.

The spelling of 2150085600 in words is "two billion, one hundred fifty million, eighty-five thousand, six hundred".