Base | Representation |
---|---|
bin | 111100110011000… |
… | …011011100100100 |
3 | 2122002100012110221 |
4 | 330303003130210 |
5 | 4042111011140 |
6 | 245114254124 |
7 | 34163665543 |
oct | 7463033444 |
9 | 2562305427 |
10 | 1020016420 |
11 | 483855485 |
12 | 245727344 |
13 | 133427c17 |
14 | 9967c15a |
15 | 5e83714a |
hex | 3ccc3724 |
1020016420 has 48 divisors (see below), whose sum is σ = 2312271360. Its totient is φ = 376804736.
The previous prime is 1020016363. The next prime is 1020016423. The reversal of 1020016420 is 246100201.
1020016420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×10200164203 (a number of 28 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1020016394 and 1020016403.
It is not an unprimeable number, because it can be changed into a prime (1020016423) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24892 + ... + 51571.
It is an arithmetic number, because the mean of its divisors is an integer number (48172320).
Almost surely, 21020016420 is an apocalyptic number.
1020016420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1020016420 is an abundant number, since it is smaller than the sum of its proper divisors (1292254940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020016420 is a wasteful number, since it uses less digits than its factorization.
1020016420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76524 (or 76522 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1020016420 is about 31937.6959093796. The cubic root of 1020016420 is about 1006.6281110817.
Adding to 1020016420 its reverse (246100201), we get a palindrome (1266116621).
The spelling of 1020016420 in words is "one billion, twenty million, sixteen thousand, four hundred twenty".
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