Base | Representation |
---|---|
bin | 111100001111101… |
… | …1001111000001100 |
3 | 12012212210202110101 |
4 | 1320133121320030 |
5 | 13120000422010 |
6 | 532331420444 |
7 | 101044311166 |
oct | 17037317014 |
9 | 5185722411 |
10 | 2021498380 |
11 | 9480a0720 |
12 | 484bb4724 |
13 | 262a637b5 |
14 | 152693936 |
15 | bc70c73a |
hex | 787d9e0c |
2021498380 has 24 divisors (see below), whose sum is σ = 4631069520. Its totient is φ = 735090240.
The previous prime is 2021498363. The next prime is 2021498411. The reversal of 2021498380 is 838941202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4594095 + ... + 4594534.
It is an arithmetic number, because the mean of its divisors is an integer number (192961230).
Almost surely, 22021498380 is an apocalyptic number.
2021498380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2021498380 is an abundant number, since it is smaller than the sum of its proper divisors (2609571140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021498380 is a wasteful number, since it uses less digits than its factorization.
2021498380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9188649 (or 9188647 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 37.
The square root of 2021498380 is about 44961.0762771533. The cubic root of 2021498380 is about 1264.4193474216.
The spelling of 2021498380 in words is "two billion, twenty-one million, four hundred ninety-eight thousand, three hundred eighty".
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