Base | Representation |
---|---|
bin | 11100101010111000… |
… | …001111111100000100 |
3 | 2221110101211022222021 |
4 | 130222320033330010 |
5 | 1001021221100432 |
6 | 22050403212524 |
7 | 2136601016062 |
oct | 345270177404 |
9 | 87411738867 |
10 | 30784159492 |
11 | 12067945729 |
12 | 5b71677144 |
13 | 2b9798cbb8 |
14 | 16c064d032 |
15 | c028c2697 |
hex | 72ae0ff04 |
30784159492 has 6 divisors (see below), whose sum is σ = 53872279118. Its totient is φ = 15392079744.
The previous prime is 30784159463. The next prime is 30784159513. The reversal of 30784159492 is 29495148703.
It can be written as a sum of positive squares in only one way, i.e., 15779379456 + 15004780036 = 125616^2 + 122494^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3848019933 + ... + 3848019940.
Almost surely, 230784159492 is an apocalyptic number.
It is an amenable number.
30784159492 is a deficient number, since it is larger than the sum of its proper divisors (23088119626).
30784159492 is a wasteful number, since it uses less digits than its factorization.
30784159492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7696039877 (or 7696039875 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 52.
The spelling of 30784159492 in words is "thirty billion, seven hundred eighty-four million, one hundred fifty-nine thousand, four hundred ninety-two".
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