Base | Representation |
---|---|
bin | 11101000001000110100… |
… | …010110001110001000000 |
3 | 21001121222122202120011220 |
4 | 131001012202301301000 |
5 | 230132302334102300 |
6 | 4124015252235040 |
7 | 264031243201440 |
oct | 35010642616100 |
9 | 7047878676156 |
10 | 1994048347200 |
11 | 6a9742341a68 |
12 | 28256290ba80 |
13 | 1160654c5620 |
14 | 6c726268120 |
15 | 36d0a744da0 |
hex | 1d0468b1c40 |
1994048347200 has 672 divisors, whose sum is σ = 8525535830784. Its totient is φ = 395972444160.
The previous prime is 1994048347121. The next prime is 1994048347231. The reversal of 1994048347200 is 27438404991.
It is a tau number, because it is divible by the number of its divisors (672).
It is a Harshad number since it is a multiple of its sum of digits (51).
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7291332 + ... + 7559868.
It is an arithmetic number, because the mean of its divisors is an integer number (12686809272).
Almost surely, 21994048347200 is an apocalyptic number.
1994048347200 is a gapful number since it is divisible by the number (10) 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 1994048347200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4262767915392).
1994048347200 is an abundant number, since it is smaller than the sum of its proper divisors (6531487483584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1994048347200 is a wasteful number, since it uses less digits than its factorization.
1994048347200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 268599 (or 268584 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 51.
The spelling of 1994048347200 in words is "one trillion, nine hundred ninety-four billion, forty-eight million, three hundred forty-seven thousand, two hundred".
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