Base | Representation |
---|---|
bin | 11100101100011000… |
… | …101010111101101111 |
3 | 2221112011101111211210 |
4 | 130230120222331233 |
5 | 1001044203423030 |
6 | 22053105045503 |
7 | 2140325612421 |
oct | 345430527557 |
9 | 87464344753 |
10 | 30809436015 |
11 | 1208013a316 |
12 | 5b7a026893 |
13 | 2b9cc9cc17 |
14 | 16c3b4c811 |
15 | c04c16bb0 |
hex | 72c62af6f |
30809436015 has 16 divisors (see below), whose sum is σ = 49421829600. Its totient is φ = 16389455232.
The previous prime is 30809435999. The next prime is 30809436067. The reversal of 30809436015 is 51063490803.
It is not a de Polignac number, because 30809436015 - 24 = 30809435999 is a prime.
It is a congruent number.
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, 2634220 + ... + 2645889.
It is an arithmetic number, because the mean of its divisors is an integer number (3088864350).
Almost surely, 230809436015 is an apocalyptic number.
30809436015 is a deficient number, since it is larger than the sum of its proper divisors (18612393585).
30809436015 is a wasteful number, since it uses less digits than its factorization.
30809436015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5280506.
The product of its (nonzero) digits is 77760, while the sum is 39.
The spelling of 30809436015 in words is "thirty billion, eight hundred nine million, four hundred thirty-six thousand, fifteen".
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