Base | Representation |
---|---|
bin | 11100001000001000… |
… | …110100010000110100 |
3 | 2212221210002000002102 |
4 | 130020020310100310 |
5 | 443323013100040 |
6 | 21512502401232 |
7 | 2116262546243 |
oct | 341010642064 |
9 | 85853060072 |
10 | 30201300020 |
11 | 11898934791 |
12 | 5a2a430218 |
13 | 2b03cb6038 |
14 | 166708895a |
15 | bbb63d515 |
hex | 708234434 |
30201300020 has 24 divisors (see below), whose sum is σ = 67153479624. Its totient is φ = 11369901056.
The previous prime is 30201300013. The next prime is 30201300029. The reversal of 30201300020 is 2000310203.
It can be written as a sum of positive squares in 4 ways, for example, as 15905749924 + 14295550096 = 126118^2 + 119564^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30201299974 and 30201300010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30201300029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44413337 + ... + 44414016.
It is an arithmetic number, because the mean of its divisors is an integer number (2798061651).
Almost surely, 230201300020 is an apocalyptic number.
It is an amenable number.
30201300020 is an abundant number, since it is smaller than the sum of its proper divisors (36952179604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30201300020 is a wasteful number, since it uses less digits than its factorization.
30201300020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88827379 (or 88827377 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 11.
Adding to 30201300020 its reverse (2000310203), we get a palindrome (32201610223).
The spelling of 30201300020 in words is "thirty billion, two hundred one million, three hundred thousand, twenty".
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