Base | Representation |
---|---|
bin | 11011111110000110… |
… | …111000010110100000 |
3 | 2212112001102111201221 |
4 | 123332012320112200 |
5 | 443001423122240 |
6 | 21444051504424 |
7 | 2112150314002 |
oct | 337606702640 |
9 | 85461374657 |
10 | 30033020320 |
11 | 11811947756 |
12 | 59a1bb8114 |
13 | 2aa8186a54 |
14 | 164c9a2372 |
15 | bab99ca4a |
hex | 6fe1b85a0 |
30033020320 has 48 divisors (see below), whose sum is σ = 74687387040. Its totient is φ = 11380932864.
The previous prime is 30033020261. The next prime is 30033020321. The reversal of 30033020320 is 2302033003.
It is a happy number.
It is a super-3 number, since 3×300330203203 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 30033020294 and 30033020303.
It is not an unprimeable number, because it can be changed into a prime (30033020321) 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, 4936602 + ... + 4942681.
It is an arithmetic number, because the mean of its divisors is an integer number (1555987230).
Almost surely, 230033020320 is an apocalyptic number.
It is an amenable number.
30033020320 is an abundant number, since it is smaller than the sum of its proper divisors (44654366720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033020320 is a wasteful number, since it uses less digits than its factorization.
30033020320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9879317 (or 9879309 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 16.
Adding to 30033020320 its reverse (2302033003), we get a palindrome (32335053323).
The spelling of 30033020320 in words is "thirty billion, thirty-three million, twenty thousand, three hundred twenty".
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