Base | Representation |
---|---|
bin | 111011011100110… |
… | …0000110100000000 |
3 | 12011000112201211121 |
4 | 1312321200310000 |
5 | 13041131204341 |
6 | 525535122024 |
7 | 100301263510 |
oct | 16671406400 |
9 | 5130481747 |
10 | 1994788096 |
11 | 934007904 |
12 | 478073314 |
13 | 25a370cb2 |
14 | 14ccdd840 |
15 | ba1d34d1 |
hex | 76e60d00 |
1994788096 has 72 divisors (see below), whose sum is σ = 4591347264. Its totient is φ = 847257600.
The previous prime is 1994788073. The next prime is 1994788121. The reversal of 1994788096 is 6908874991.
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 7 ways as a sum of consecutive naturals, for example, 197571 + ... + 207421.
It is an arithmetic number, because the mean of its divisors is an integer number (63768712).
Almost surely, 21994788096 is an apocalyptic number.
1994788096 is a gapful number since it is divisible by the number (16) 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 1994788096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295673632).
1994788096 is an abundant number, since it is smaller than the sum of its proper divisors (2596559168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1994788096 is an equidigital number, since it uses as much as digits as its factorization.
1994788096 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9987 (or 9973 counting only the distinct ones).
The product of its (nonzero) digits is 7838208, while the sum is 61.
The square root of 1994788096 is about 44663.0506795046. The cubic root of 1994788096 is about 1258.8256665777.
The spelling of 1994788096 in words is "one billion, nine hundred ninety-four million, seven hundred eighty-eight thousand, ninety-six".
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