Base | Representation |
---|---|
bin | 110010101111110011… |
… | …000100110101001111 |
3 | 12012122102200110222111 |
4 | 302233303010311033 |
5 | 1343043141300422 |
6 | 41010520324451 |
7 | 3636200636653 |
oct | 625763046517 |
9 | 165572613874 |
10 | 54489009487 |
11 | 21121697350 |
12 | a688313727 |
13 | 51a4a98b63 |
14 | 28cc9b8a63 |
15 | 163da11a77 |
hex | cafcc4d4f |
54489009487 has 8 divisors (see below), whose sum is σ = 62027015040. Its totient is φ = 47381747160.
The previous prime is 54489009439. The next prime is 54489009493. The reversal of 54489009487 is 78490098445.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54489009487 - 227 = 54354791759 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54489009787) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107685537 + ... + 107686042.
It is an arithmetic number, because the mean of its divisors is an integer number (7753376880).
Almost surely, 254489009487 is an apocalyptic number.
54489009487 is a deficient number, since it is larger than the sum of its proper divisors (7538005553).
54489009487 is a wasteful number, since it uses less digits than its factorization.
54489009487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215371613.
The product of its (nonzero) digits is 11612160, while the sum is 58.
The spelling of 54489009487 in words is "fifty-four billion, four hundred eighty-nine million, nine thousand, four hundred eighty-seven".
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