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2068840800 = 2532521323312
BaseRepresentation
bin111101101010000…
…0000000101100000
312100011220000001100
41323110000011200
513214110401200
6541142234400
7102160566555
oct17324000540
95304800040
102068840800
11971896794
12498a25a00
1326c7cb370
14158a98a2c
15c195ed00
hex7b500160

2068840800 has 648 divisors, whose sum is σ = 8470989072. Its totient is φ = 471398400.

The previous prime is 2068840733. The next prime is 2068840801. The reversal of 2068840800 is 80488602.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068840801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 66736785 + ... + 66736815.

It is an arithmetic number, because the mean of its divisors is an integer number (13072514).

Almost surely, 22068840800 is an apocalyptic number.

2068840800 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 2068840800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4235494536).

2068840800 is an abundant number, since it is smaller than the sum of its proper divisors (6402148272).

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

2068840800 is a wasteful number, since it uses less digits than its factorization.

2068840800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2068840800 is about 45484.5116495714. The cubic root of 2068840800 is about 1274.2139560993.

The spelling of 2068840800 in words is "two billion, sixty-eight million, eight hundred forty thousand, eight hundred".