Base | Representation |
---|---|
bin | 10010110101010010… |
… | …110001101101011000 |
3 | 1221012021020222112000 |
4 | 102311102301231120 |
5 | 312403143424410 |
6 | 13142320121000 |
7 | 1314051431454 |
oct | 226522615530 |
9 | 57167228460 |
10 | 20221467480 |
11 | 86375448a5 |
12 | 3b04166160 |
13 | 1ba353a296 |
14 | d9b895664 |
15 | 7d5415dc0 |
hex | 4b54b1b58 |
20221467480 has 128 divisors (see below), whose sum is σ = 67436107200. Its totient is φ = 5389894656.
The previous prime is 20221467433. The next prime is 20221467491. The reversal of 20221467480 is 8476412202.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 4396542 + ... + 4401138.
Almost surely, 220221467480 is an apocalyptic number.
20221467480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20221467480 is an abundant number, since it is smaller than the sum of its proper divisors (47214639720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20221467480 is a wasteful number, since it uses less digits than its factorization.
20221467480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8690 (or 8680 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
Adding to 20221467480 its reverse (8476412202), we get a palindrome (28697879682).
The spelling of 20221467480 in words is "twenty billion, two hundred twenty-one million, four hundred sixty-seven thousand, four hundred eighty".
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