Base | Representation |
---|---|
bin | 110111011101110010011011… |
… | …0010001111111110000000000 |
3 | 2100222102210022110200001000000 |
4 | 1232323210312101333300000 |
5 | 1002421402424432214020 |
6 | 4445344324544000000 |
7 | 204523050446246232 |
oct | 15673446621776000 |
9 | 2328383273601000 |
10 | 487879130741760 |
11 | 1314a941735930a |
12 | 468762b1900000 |
13 | 17c2ca5c997b74 |
14 | 8869693cdc252 |
15 | 3b60cc856e090 |
hex | 1bbb93647fc00 |
487879130741760 has 2464 divisors, whose sum is σ = 1908299905237440. Its totient is φ = 119335399981056.
The previous prime is 487879130741749. The next prime is 487879130741767. The reversal of 487879130741760 is 67147031978784.
487879130741760 is a `hidden beast` number, since 4 + 8 + 7 + 8 + 79 + 130 + 7 + 417 + 6 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487879130741767) by changing a digit.
It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 172212893304 + ... + 172212896136.
Almost surely, 2487879130741760 is an apocalyptic number.
487879130741760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 487879130741760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954149952618720).
487879130741760 is an abundant number, since it is smaller than the sum of its proper divisors (1420420774495680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487879130741760 is a wasteful number, since it uses less digits than its factorization.
487879130741760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2985 (or 2952 counting only the distinct ones).
The product of its (nonzero) digits is 398297088, while the sum is 72.
The spelling of 487879130741760 in words is "four hundred eighty-seven trillion, eight hundred seventy-nine billion, one hundred thirty million, seven hundred forty-one thousand, seven hundred sixty".
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