Base | Representation |
---|---|
bin | 1000001100000111… |
… | …0100010110101000 |
3 | 12200012110210112210 |
4 | 2003001310112220 |
5 | 14000230320010 |
6 | 1002045005120 |
7 | 105322113141 |
oct | 20301642650 |
9 | 5605423483 |
10 | 2198291880 |
11 | a28973254 |
12 | 5142537a0 |
13 | 290584035 |
14 | 16bd54ac8 |
15 | cced0b20 |
hex | 830745a8 |
2198291880 has 64 divisors (see below), whose sum is σ = 6610766400. Its totient is φ = 584798720.
The previous prime is 2198291867. The next prime is 2198291897. The reversal of 2198291880 is 881928912.
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, 28420 + ... + 72140.
It is an arithmetic number, because the mean of its divisors is an integer number (103293225).
Almost surely, 22198291880 is an apocalyptic number.
2198291880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2198291880 is an abundant number, since it is smaller than the sum of its proper divisors (4412474520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2198291880 is a wasteful number, since it uses less digits than its factorization.
2198291880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44154 (or 44150 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 48.
The square root of 2198291880 is about 46885.9454421045. The cubic root of 2198291880 is about 1300.2547587506.
The spelling of 2198291880 in words is "two billion, one hundred ninety-eight million, two hundred ninety-one thousand, eight hundred eighty".
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