Base | Representation |
---|---|
bin | 11100000100000100… |
… | …010110011000111100 |
3 | 2212210000121000210221 |
4 | 130010010112120330 |
5 | 443203023121340 |
6 | 21502023111124 |
7 | 2114503305622 |
oct | 340404263074 |
9 | 85700530727 |
10 | 30133020220 |
11 | 118633390a6 |
12 | 5a0b5a24a4 |
13 | 2ac2aca4a4 |
14 | 165bd93512 |
15 | bb565244a |
hex | 70411663c |
30133020220 has 24 divisors (see below), whose sum is σ = 63375103008. Its totient is φ = 12034968000.
The previous prime is 30133020191. The next prime is 30133020287. The reversal of 30133020220 is 2202033103.
It is a junction number, because it is equal to n+sod(n) for n = 30133020194 and 30133020203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126456 + ... + 1152895.
It is an arithmetic number, because the mean of its divisors is an integer number (2640629292).
Almost surely, 230133020220 is an apocalyptic number.
It is an amenable number.
30133020220 is an abundant number, since it is smaller than the sum of its proper divisors (33242082788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30133020220 is a wasteful number, since it uses less digits than its factorization.
30133020220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2280021 (or 2280019 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30133020220 its reverse (2202033103), we get a palindrome (32335053323).
The spelling of 30133020220 in words is "thirty billion, one hundred thirty-three million, twenty thousand, two hundred twenty".
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