Base | Representation |
---|---|
bin | 11100000110110111… |
… | …101010101110101111 |
3 | 2212220022001020102022 |
4 | 130012313222232233 |
5 | 443302041333221 |
6 | 21510422420355 |
7 | 2115613666550 |
oct | 340667525657 |
9 | 85808036368 |
10 | 30180027311 |
11 | 11887925235 |
12 | 5a232916bb |
13 | 2acc778535 |
14 | 166430c327 |
15 | bb983a4ab |
hex | 706deabaf |
30180027311 has 4 divisors (see below), whose sum is σ = 34491459792. Its totient is φ = 25868594832.
The previous prime is 30180027299. The next prime is 30180027337. The reversal of 30180027311 is 11372008103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30180027311 - 230 = 29106285487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30180027211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155716230 + ... + 2155716243.
It is an arithmetic number, because the mean of its divisors is an integer number (8622864948).
Almost surely, 230180027311 is an apocalyptic number.
30180027311 is a deficient number, since it is larger than the sum of its proper divisors (4311432481).
30180027311 is an equidigital number, since it uses as much as digits as its factorization.
30180027311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4311432480.
The product of its (nonzero) digits is 1008, while the sum is 26.
The spelling of 30180027311 in words is "thirty billion, one hundred eighty million, twenty-seven thousand, three hundred eleven".
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