Base | Representation |
---|---|
bin | 11100001111110100… |
… | …010010001010100000 |
3 | 2220021202111111201202 |
4 | 130033310102022200 |
5 | 444104003311300 |
6 | 21533344020332 |
7 | 2122415616101 |
oct | 341764221240 |
9 | 86252444652 |
10 | 30330135200 |
11 | 11954630542 |
12 | 5a656016a8 |
13 | 2b248b4581 |
14 | 167a2243a8 |
15 | bc7adbad5 |
hex | 70fd122a0 |
30330135200 has 72 divisors (see below), whose sum is σ = 78398974332. Its totient is φ = 11418398720.
The previous prime is 30330135179. The next prime is 30330135203. The reversal of 30330135200 is 253103303.
It can be written as a sum of positive squares in 6 ways, for example, as 7626878224 + 22703256976 = 87332^2 + 150676^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (30330135203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101479 + ... + 1128678.
Almost surely, 230330135200 is an apocalyptic number.
It is an amenable number.
30330135200 is an abundant number, since it is smaller than the sum of its proper divisors (48068839132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330135200 is a wasteful number, since it uses less digits than its factorization.
30330135200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2230194 (or 2230181 counting only the distinct ones).
The product of its (nonzero) digits is 810, while the sum is 20.
Adding to 30330135200 its reverse (253103303), we get a palindrome (30583238503).
The spelling of 30330135200 in words is "thirty billion, three hundred thirty million, one hundred thirty-five thousand, two hundred".
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