Base | Representation |
---|---|
bin | 10010101001010010… |
… | …010000000011010110 |
3 | 1220200020011112020201 |
4 | 102221102100003112 |
5 | 312000110044110 |
6 | 13110322051114 |
7 | 1306054134526 |
oct | 225122200326 |
9 | 56606145221 |
10 | 20020003030 |
11 | 8543851655 |
12 | 3a687a9a9a |
13 | 1b7088c551 |
14 | d7cc11686 |
15 | 7c28bcb3a |
hex | 4a94900d6 |
20020003030 has 32 divisors (see below), whose sum is σ = 37947605760. Its totient is φ = 7583533920.
The previous prime is 20020003021. The next prime is 20020003043. The reversal of 20020003030 is 3030002002.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 20020002998 and 20020003016.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495657 + ... + 534523.
It is an arithmetic number, because the mean of its divisors is an integer number (1185862680).
Almost surely, 220020003030 is an apocalyptic number.
20020003030 is a deficient number, since it is larger than the sum of its proper divisors (17927602730).
20020003030 is a wasteful number, since it uses less digits than its factorization.
20020003030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41604.
The product of its (nonzero) digits is 36, while the sum is 10.
Adding to 20020003030 its reverse (3030002002), we get a palindrome (23050005032).
The spelling of 20020003030 in words is "twenty billion, twenty million, three thousand, thirty".
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