Base | Representation |
---|---|
bin | 110111100011010101001000… |
… | …1010010110010000110011010 |
3 | 2101002010121111011121111201020 |
4 | 1233012222101102302012122 |
5 | 1003021342443410323132 |
6 | 4451130303145103310 |
7 | 204632065126531503 |
oct | 15706522122620632 |
9 | 2332117434544636 |
10 | 488640866886042 |
11 | 131772478574952 |
12 | 46979a59787b36 |
13 | 17c868364850a0 |
14 | 88944b64a9baa |
15 | 3b75a0c4bc52c |
hex | 1bc6a914b219a |
488640866886042 has 16 divisors (see below), whose sum is σ = 1052457251754720. Its totient is φ = 150351035964912.
The previous prime is 488640866886041. The next prime is 488640866886121. The reversal of 488640866886042 is 240688668046884.
It is a super-2 number, since 2×4886408668860422 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (78), and also a Moran number because the ratio is a prime number: 6264626498539 = 488640866886042 / (4 + 8 + 8 + 6 + 4 + 0 + 8 + 6 + 6 + 8 + 8 + 6 + 0 + 4 + 2).
It is not an unprimeable number, because it can be changed into a prime (488640866886041) 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 7 ways as a sum of consecutive naturals, for example, 3132313249192 + ... + 3132313249347.
It is an arithmetic number, because the mean of its divisors is an integer number (65778578234670).
Almost surely, 2488640866886042 is an apocalyptic number.
488640866886042 is an abundant number, since it is smaller than the sum of its proper divisors (563816384868678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488640866886042 is a wasteful number, since it uses less digits than its factorization.
488640866886042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6264626498557.
The product of its (nonzero) digits is 5435817984, while the sum is 78.
The spelling of 488640866886042 in words is "four hundred eighty-eight trillion, six hundred forty billion, eight hundred sixty-six million, eight hundred eighty-six thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •