Base | Representation |
---|---|
bin | 110101101100101… |
… | …1100001000000000 |
3 | 11122120110111100020 |
4 | 1223121130020000 |
5 | 12142232042122 |
6 | 454443253440 |
7 | 62436211230 |
oct | 15331341000 |
9 | 4576414306 |
10 | 1801830912 |
11 | 8450a5262 |
12 | 42351a280 |
13 | 2293b154b |
14 | 131431cc0 |
15 | a82bac5c |
hex | 6b65c200 |
1801830912 has 160 divisors (see below), whose sum is σ = 5542597632. Its totient is φ = 509497344.
The previous prime is 1801830893. The next prime is 1801830923. The reversal of 1801830912 is 2190381081.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106643 + ... + 1108269.
Almost surely, 21801830912 is an apocalyptic number.
1801830912 is a gapful number since it is divisible by the number (12) 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 1801830912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2771298816).
1801830912 is an abundant number, since it is smaller than the sum of its proper divisors (3740766720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1801830912 is a wasteful number, since it uses less digits than its factorization.
1801830912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1758 (or 1742 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 33.
The square root of 1801830912 is about 42447.9788918153. The cubic root of 1801830912 is about 1216.8527029300.
The spelling of 1801830912 in words is "one billion, eight hundred one million, eight hundred thirty thousand, nine hundred twelve".
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