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2078019648 = 263247591301
BaseRepresentation
bin111101111011100…
…0001000001000000
312100211011100001200
41323313001001000
513223433112043
6542111101200
7102331606215
oct17367010100
95324140050
102078019648
11976a95a11
1249bb11800
13271693233
14159da7b0c
15c26747d3
hex7bdc1040

2078019648 has 168 divisors, whose sum is σ = 6190853760. Its totient is φ = 665932800.

The previous prime is 2078019583. The next prime is 2078019649. The reversal of 2078019648 is 8469108702.

It is not an unprimeable number, because it can be changed into a prime (2078019649) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1596598 + ... + 1597898.

It is an arithmetic number, because the mean of its divisors is an integer number (36850320).

Almost surely, 22078019648 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 2078019648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3095426880).

2078019648 is an abundant number, since it is smaller than the sum of its proper divisors (4112834112).

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

2078019648 is a wasteful number, since it uses less digits than its factorization.

2078019648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2078019648 is about 45585.3007887411. The cubic root of 2078019648 is about 1276.0956155850.

The spelling of 2078019648 in words is "two billion, seventy-eight million, nineteen thousand, six hundred forty-eight".