Base | Representation |
---|---|
bin | 1110001011110100010… |
… | …01110101110011111101 |
3 | 1201121000101210002012001 |
4 | 13011322021311303331 |
5 | 30441123430021014 |
6 | 1011522151542301 |
7 | 50132514430366 |
oct | 7057211656375 |
9 | 1647011702161 |
10 | 487380704509 |
11 | 178773779a76 |
12 | 7a55a98a991 |
13 | 36c628c2b1a |
14 | 19837278b6d |
15 | ca27d32974 |
hex | 717a275cfd |
487380704509 has 2 divisors, whose sum is σ = 487380704510. Its totient is φ = 487380704508.
The previous prime is 487380704507. The next prime is 487380704533. The reversal of 487380704509 is 905407083784.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 481605464484 + 5775240025 = 693978^2 + 75995^2 .
It is a cyclic number.
It is not a de Polignac number, because 487380704509 - 21 = 487380704507 is a prime.
It is a super-2 number, since 2×4873807045092 (a number of 24 digits) contains 22 as substring.
Together with 487380704507, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 487380704509.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (487380704507) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243690352254 + 243690352255.
It is an arithmetic number, because the mean of its divisors is an integer number (243690352255).
Almost surely, 2487380704509 is an apocalyptic number.
It is an amenable number.
487380704509 is a deficient number, since it is larger than the sum of its proper divisors (1).
487380704509 is an equidigital number, since it uses as much as digits as its factorization.
487380704509 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6773760, while the sum is 55.
The spelling of 487380704509 in words is "four hundred eighty-seven billion, three hundred eighty million, seven hundred four thousand, five hundred nine".
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