Base | Representation |
---|---|
bin | 11100100011010011… |
… | …011000100000011001 |
3 | 2221010112122202001001 |
4 | 130203103120200121 |
5 | 1000241201222440 |
6 | 22030023025001 |
7 | 2133465444232 |
oct | 344323304031 |
9 | 87115582031 |
10 | 30657054745 |
11 | 12002120a89 |
12 | 5b36b9b161 |
13 | 2b775491a5 |
14 | 16ab804089 |
15 | be6666b9a |
hex | 7234d8819 |
30657054745 has 8 divisors (see below), whose sum is σ = 36842810184. Its totient is φ = 24489414144.
The previous prime is 30657054731. The next prime is 30657054749. The reversal of 30657054745 is 54745075603.
It can be written as a sum of positive squares in 4 ways, for example, as 18653003776 + 12004050969 = 136576^2 + 109563^2 .
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 30657054745 - 223 = 30648666137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30657054695 and 30657054704.
It is not an unprimeable number, because it can be changed into a prime (30657054749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4524984 + ... + 4531753.
It is an arithmetic number, because the mean of its divisors is an integer number (4605351273).
Almost surely, 230657054745 is an apocalyptic number.
It is an amenable number.
30657054745 is a deficient number, since it is larger than the sum of its proper divisors (6185755439).
30657054745 is an equidigital number, since it uses as much as digits as its factorization.
30657054745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9057419.
The product of its (nonzero) digits is 1764000, while the sum is 46.
The spelling of 30657054745 in words is "thirty billion, six hundred fifty-seven million, fifty-four thousand, seven hundred forty-five".
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