Base | Representation |
---|---|
bin | 11011100011010110011… |
… | …101100111010111011000 |
3 | 20201000011011110112110201 |
4 | 123203112131213113120 |
5 | 222010122211313010 |
6 | 4005450343351544 |
7 | 253535545614013 |
oct | 33432635472730 |
9 | 6630134415421 |
10 | 1893383697880 |
11 | 66aa85812004 |
12 | 266b4a4525b4 |
13 | 1097120a307c |
14 | 678d6c3237a |
15 | 343b7ebc23a |
hex | 1b8d67675d8 |
1893383697880 has 128 divisors (see below), whose sum is σ = 4666844160000. Its totient is φ = 688234936320.
The previous prime is 1893383697853. The next prime is 1893383697943. The reversal of 1893383697880 is 887963833981.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9151821 + ... + 9356419.
It is an arithmetic number, because the mean of its divisors is an integer number (36459720000).
Almost surely, 21893383697880 is an apocalyptic number.
1893383697880 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 1893383697880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333422080000).
1893383697880 is an abundant number, since it is smaller than the sum of its proper divisors (2773460462120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1893383697880 is a wasteful number, since it uses less digits than its factorization.
1893383697880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205097 (or 205093 counting only the distinct ones).
The product of its (nonzero) digits is 376233984, while the sum is 73.
The spelling of 1893383697880 in words is "one trillion, eight hundred ninety-three billion, three hundred eighty-three million, six hundred ninety-seven thousand, eight hundred eighty".
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