Base | Representation |
---|---|
bin | 1111000100100101010… |
… | …0000010011001110001 |
3 | 220202100010202122002011 |
4 | 3301021110002121301 |
5 | 13220241033332444 |
6 | 314541102122521 |
7 | 24464322626503 |
oct | 3611124023161 |
9 | 822303678064 |
10 | 258928027249 |
11 | 9a8a1137271 |
12 | 42222580441 |
13 | 1b55595c758 |
14 | c76444dd73 |
15 | 6b06a2a734 |
hex | 3c49502671 |
258928027249 has 2 divisors, whose sum is σ = 258928027250. Its totient is φ = 258928027248.
The previous prime is 258928027201. The next prime is 258928027277. The reversal of 258928027249 is 942720829852.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 255057321024 + 3870706225 = 505032^2 + 62215^2 .
It is a cyclic number.
It is not a de Polignac number, because 258928027249 - 27 = 258928027121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 258928027193 and 258928027202.
It is not a weakly prime, because it can be changed into another prime (258928027289) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129464013624 + 129464013625.
It is an arithmetic number, because the mean of its divisors is an integer number (129464013625).
Almost surely, 2258928027249 is an apocalyptic number.
It is an amenable number.
258928027249 is a deficient number, since it is larger than the sum of its proper divisors (1).
258928027249 is an equidigital number, since it uses as much as digits as its factorization.
258928027249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11612160, while the sum is 58.
The spelling of 258928027249 in words is "two hundred fifty-eight billion, nine hundred twenty-eight million, twenty-seven thousand, two hundred forty-nine".
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