Base | Representation |
---|---|
bin | 1101011100000101100… |
… | …1101100011111100001 |
3 | 211001221021200212121021 |
4 | 3113001121230133201 |
5 | 12240314232131332 |
6 | 254021444525441 |
7 | 22452241443556 |
oct | 3270131543741 |
9 | 731837625537 |
10 | 230878005217 |
11 | 89a07684582 |
12 | 388b46b0881 |
13 | 18a05579592 |
14 | b262d9ca2d |
15 | 60141d2c97 |
hex | 35c166c7e1 |
230878005217 has 2 divisors, whose sum is σ = 230878005218. Its totient is φ = 230878005216.
The previous prime is 230878005199. The next prime is 230878005263. The reversal of 230878005217 is 712500878032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 213329439376 + 17548565841 = 461876^2 + 132471^2 .
It is a cyclic number.
It is not a de Polignac number, because 230878005217 - 235 = 196518266849 is a prime.
It is not a weakly prime, because it can be changed into another prime (230878005277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115439002608 + 115439002609.
It is an arithmetic number, because the mean of its divisors is an integer number (115439002609).
Almost surely, 2230878005217 is an apocalyptic number.
It is an amenable number.
230878005217 is a deficient number, since it is larger than the sum of its proper divisors (1).
230878005217 is an equidigital number, since it uses as much as digits as its factorization.
230878005217 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 188160, while the sum is 43.
The spelling of 230878005217 in words is "two hundred thirty billion, eight hundred seventy-eight million, five thousand, two hundred seventeen".
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