Base | Representation |
---|---|
bin | 1000001100001111… |
… | …0010000101000000 |
3 | 12200020102221221200 |
4 | 2003003302011000 |
5 | 14000343304343 |
6 | 1002104021200 |
7 | 105326356410 |
oct | 20303620500 |
9 | 5606387850 |
10 | 2198806848 |
11 | a29195147 |
12 | 514461800 |
13 | 290704554 |
14 | 16c04a640 |
15 | cd0834d3 |
hex | 830f2140 |
2198806848 has 168 divisors, whose sum is σ = 7222662720. Its totient is φ = 626503680.
The previous prime is 2198806847. The next prime is 2198806861. The reversal of 2198806848 is 8486088912.
It is a tau number, because it is divible by the number of its divisors (168).
It is a junction number, because it is equal to n+sod(n) for n = 2198806794 and 2198806803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2198806847) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2495368 + ... + 2496248.
It is an arithmetic number, because the mean of its divisors is an integer number (42992040).
Almost surely, 22198806848 is an apocalyptic number.
2198806848 is a gapful number since it is divisible by the number (28) 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 2198806848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3611331360).
2198806848 is an abundant number, since it is smaller than the sum of its proper divisors (5023855872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2198806848 is a wasteful number, since it uses less digits than its factorization.
2198806848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1525 (or 1512 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 54.
The square root of 2198806848 is about 46891.4368301932. The cubic root of 2198806848 is about 1300.3562826231.
The spelling of 2198806848 in words is "two billion, one hundred ninety-eight million, eight hundred six thousand, eight hundred forty-eight".
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