Base | Representation |
---|---|
bin | 11100001100101101… |
… | …100110101110010011 |
3 | 2220011010111110001022 |
4 | 130030231212232103 |
5 | 444002140142010 |
6 | 21524243430055 |
7 | 2121214126166 |
oct | 341455465623 |
9 | 86133443038 |
10 | 30278052755 |
11 | 119281981a5 |
12 | 5a5008532b |
13 | 2b16b7a362 |
14 | 1673347add |
15 | bc324ed55 |
hex | 70cb66b93 |
30278052755 has 8 divisors (see below), whose sum is σ = 36335691600. Its totient is φ = 24221090016.
The previous prime is 30278052751. The next prime is 30278052797. The reversal of 30278052755 is 55725087203.
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 30278052755 - 22 = 30278052751 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30278052751) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64640 + ... + 254429.
It is an arithmetic number, because the mean of its divisors is an integer number (4541961450).
Almost surely, 230278052755 is an apocalyptic number.
30278052755 is a deficient number, since it is larger than the sum of its proper divisors (6057638845).
30278052755 is a wasteful number, since it uses less digits than its factorization.
30278052755 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338053.
The product of its (nonzero) digits is 588000, while the sum is 44.
The spelling of 30278052755 in words is "thirty billion, two hundred seventy-eight million, fifty-two thousand, seven hundred fifty-five".
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