Base | Representation |
---|---|
bin | 1110001011010111011… |
… | …10011010000011000010 |
3 | 1201120101112021111221220 |
4 | 13011223232122003002 |
5 | 30440124442204444 |
6 | 1011442143255510 |
7 | 50123515023306 |
oct | 7055356320302 |
9 | 1646345244856 |
10 | 487138631874 |
11 | 17865a070244 |
12 | 7a4b18aa596 |
13 | 36c246c778b |
14 | 19813063d06 |
15 | ca11967619 |
hex | 716bb9a0c2 |
487138631874 has 16 divisors (see below), whose sum is σ = 995006567808. Its totient is φ = 158924659952.
The previous prime is 487138631857. The next prime is 487138631923. The reversal of 487138631874 is 478136831784.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863720697 + ... + 863721260.
It is an arithmetic number, because the mean of its divisors is an integer number (62187910488).
Almost surely, 2487138631874 is an apocalyptic number.
487138631874 is an abundant number, since it is smaller than the sum of its proper divisors (507867935934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487138631874 is a wasteful number, since it uses less digits than its factorization.
487138631874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1727442009.
The product of its digits is 21676032, while the sum is 60.
The spelling of 487138631874 in words is "four hundred eighty-seven billion, one hundred thirty-eight million, six hundred thirty-one thousand, eight hundred seventy-four".
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