Base | Representation |
---|---|
bin | 110110101000001000111000… |
… | …0011011010010001001000001 |
3 | 2100000022220001201220212221202 |
4 | 1231100101300123102021001 |
5 | 1000440101031214021211 |
6 | 4421541125210230545 |
7 | 203132246611105640 |
oct | 15520216033221101 |
9 | 2300286051825852 |
10 | 480505647407681 |
11 | 12a116334229205 |
12 | 45a85269125455 |
13 | 1781664654368c |
14 | 869285148b357 |
15 | 3a840c438653b |
hex | 1b504706d2241 |
480505647407681 has 8 divisors (see below), whose sum is σ = 549394139388864. Its totient is φ = 411678362442960.
The previous prime is 480505647407603. The next prime is 480505647407711. The reversal of 480505647407681 is 186704746505084.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-480505647407681 is a prime.
It is a super-2 number, since 2×4805056474076812 (a number of 30 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (480505647403681) by changing a digit.
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, 15301737290 + ... + 15301768691.
It is an arithmetic number, because the mean of its divisors is an integer number (68674267423608).
Almost surely, 2480505647407681 is an apocalyptic number.
It is an amenable number.
480505647407681 is a deficient number, since it is larger than the sum of its proper divisors (68888491981183).
480505647407681 is a wasteful number, since it uses less digits than its factorization.
480505647407681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30603508231.
The product of its (nonzero) digits is 180633600, while the sum is 65.
The spelling of 480505647407681 in words is "four hundred eighty trillion, five hundred five billion, six hundred forty-seven million, four hundred seven thousand, six hundred eighty-one".
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