Base | Representation |
---|---|
bin | 1110001100110011101… |
… | …00101011101101111001 |
3 | 1201122101102120011102201 |
4 | 13012121310223231321 |
5 | 30443220434412144 |
6 | 1012051012030201 |
7 | 50151625550464 |
oct | 7063164535571 |
9 | 1648342504381 |
10 | 487912029049 |
11 | 178a16690a65 |
12 | 7a688902361 |
13 | 370189c4a43 |
14 | 19887a662db |
15 | ca597d71d4 |
hex | 7199d2bb79 |
487912029049 has 3 divisors (see below), whose sum is σ = 487912727557. Its totient is φ = 487911330542.
The previous prime is 487912029037. The next prime is 487912029053. The reversal of 487912029049 is 940920219784.
It is a happy number.
The square root of 487912029049 is 698507.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 487912029049 - 27 = 487912028921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487912029029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 349254 + ... + 1047760.
Almost surely, 2487912029049 is an apocalyptic number.
487912029049 is the 698507-th square number.
487912029049 is the 349254-th centered octagonal number.
It is an amenable number.
487912029049 is a deficient number, since it is larger than the sum of its proper divisors (698508).
487912029049 is an frugal number, since it uses more digits than its factorization.
487912029049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1397014 (or 698507 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 55.
The spelling of 487912029049 in words is "four hundred eighty-seven billion, nine hundred twelve million, twenty-nine thousand, forty-nine".
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