Base | Representation |
---|---|
bin | 10010110100100111… |
… | …001001010110110000 |
3 | 1221011110201220020122 |
4 | 102310213021112300 |
5 | 312342231430000 |
6 | 13141231025412 |
7 | 1313552264156 |
oct | 226447112660 |
9 | 57143656218 |
10 | 20210030000 |
11 | 8631042736 |
12 | 3b0036b268 |
13 | 1ba1064344 |
14 | d9a1593d6 |
15 | 7d4407085 |
hex | 4b49c95b0 |
20210030000 has 50 divisors (see below), whose sum is σ = 48930527844. Its totient is φ = 8084008000.
The previous prime is 20210029943. The next prime is 20210030047. The reversal of 20210030000 is 3001202.
It is a tau number, because it is divible by the number of its divisors (50).
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a self number, because there is not a number n which added to its sum of digits gives 20210030000.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1000502 + ... + 1020501.
Almost surely, 220210030000 is an apocalyptic number.
20210030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20210030000 is an abundant number, since it is smaller than the sum of its proper divisors (28720497844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210030000 is an equidigital number, since it uses as much as digits as its factorization.
20210030000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2021031 (or 2021010 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 8.
Adding to 20210030000 its reverse (3001202), we get a palindrome (20213031202).
The spelling of 20210030000 in words is "twenty billion, two hundred ten million, thirty thousand".
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