Base | Representation |
---|---|
bin | 11100001110001001… |
… | …110101011000000100 |
3 | 2220012210222210000120 |
4 | 130032021311120010 |
5 | 444024332330040 |
6 | 21530505541540 |
7 | 2121626463636 |
oct | 341611653004 |
9 | 86183883016 |
10 | 30302230020 |
11 | 1193a900a07 |
12 | 5a581a48b0 |
13 | 2b1bb93c2a |
14 | 167663ca56 |
15 | bc54287d0 |
hex | 70e275604 |
30302230020 has 48 divisors (see below), whose sum is σ = 85408165248. Its totient is φ = 8027078400.
The previous prime is 30302230019. The next prime is 30302230051. The reversal of 30302230020 is 2003220303.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663249 + ... + 1681368.
It is an arithmetic number, because the mean of its divisors is an integer number (1779336776).
Almost surely, 230302230020 is an apocalyptic number.
30302230020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30302230020 is an abundant number, since it is smaller than the sum of its proper divisors (55105935228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302230020 is a wasteful number, since it uses less digits than its factorization.
30302230020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3344780 (or 3344778 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 15.
Adding to 30302230020 its reverse (2003220303), we get a palindrome (32305450323).
The spelling of 30302230020 in words is "thirty billion, three hundred two million, two hundred thirty thousand, twenty".
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