Base | Representation |
---|---|
bin | 1110001100000001000… |
… | …01001100111010111100 |
3 | 1201121021211201102202212 |
4 | 13012000201030322330 |
5 | 30441333244214042 |
6 | 1011540524435552 |
7 | 50135252211461 |
oct | 7060041147274 |
9 | 1647254642685 |
10 | 487487491772 |
11 | 178818a86906 |
12 | 7a58a6a8bb8 |
13 | 36c7ba71a58 |
14 | 19847515668 |
15 | ca323c8482 |
hex | 718084cebc |
487487491772 has 24 divisors (see below), whose sum is σ = 866557238400. Its totient is φ = 239924272896.
The previous prime is 487487491763. The next prime is 487487491783. The reversal of 487487491772 is 277194784784.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990897 + ... + 3149672.
It is an arithmetic number, because the mean of its divisors is an integer number (36106551600).
Almost surely, 2487487491772 is an apocalyptic number.
It is an amenable number.
487487491772 is a deficient number, since it is larger than the sum of its proper divisors (379069746628).
487487491772 is a wasteful number, since it uses less digits than its factorization.
487487491772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6140885 (or 6140883 counting only the distinct ones).
The product of its digits is 177020928, while the sum is 68.
The spelling of 487487491772 in words is "four hundred eighty-seven billion, four hundred eighty-seven million, four hundred ninety-one thousand, seven hundred seventy-two".
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