Base | Representation |
---|---|
bin | 11011111110010010… |
… | …101011111100000101 |
3 | 2212112021020202010022 |
4 | 123332102223330011 |
5 | 443003221141310 |
6 | 21444242104525 |
7 | 2112215523665 |
oct | 337622537405 |
9 | 85467222108 |
10 | 30036115205 |
11 | 11813670a08 |
12 | 59a304b145 |
13 | 2aa89cb645 |
14 | 164d16a1a5 |
15 | babdaea55 |
hex | 6fe4abf05 |
30036115205 has 8 divisors (see below), whose sum is σ = 36044271000. Its totient is φ = 24028270336.
The previous prime is 30036115147. The next prime is 30036115217. The reversal of 30036115205 is 50251163003.
It can be written as a sum of positive squares in 4 ways, for example, as 9105548929 + 20930566276 = 95423^2 + 144674^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30036115205 - 220 = 30035066629 is a prime.
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, 317441 + ... + 401049.
It is an arithmetic number, because the mean of its divisors is an integer number (4505533875).
Almost surely, 230036115205 is an apocalyptic number.
It is an amenable number.
30036115205 is a deficient number, since it is larger than the sum of its proper divisors (6008155795).
30036115205 is an equidigital number, since it uses as much as digits as its factorization.
30036115205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155463.
The product of its (nonzero) digits is 2700, while the sum is 26.
Adding to 30036115205 its reverse (50251163003), we get a palindrome (80287278208).
The spelling of 30036115205 in words is "thirty billion, thirty-six million, one hundred fifteen thousand, two hundred five".
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