Base | Representation |
---|---|
bin | 110011000110100011… |
… | …100001010100100101 |
3 | 12020122001002211212102 |
4 | 303012203201110211 |
5 | 1344333411322340 |
6 | 41112435501445 |
7 | 3651515112500 |
oct | 630643412445 |
9 | 166561084772 |
10 | 54870807845 |
11 | 212a8160087 |
12 | a774157885 |
13 | 5235c06749 |
14 | 29275a2137 |
15 | 16622cc215 |
hex | cc68e1525 |
54870807845 has 24 divisors (see below), whose sum is σ = 80626500000. Its totient is φ = 35645393952.
The previous prime is 54870807841. The next prime is 54870807847.
54870807845 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54870807845 - 22 = 54870807841 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54870807841) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5889095 + ... + 5898404.
It is an arithmetic number, because the mean of its divisors is an integer number (3359437500).
Almost surely, 254870807845 is an apocalyptic number.
It is an amenable number.
54870807845 is a deficient number, since it is larger than the sum of its proper divisors (25755692155).
54870807845 is a wasteful number, since it uses less digits than its factorization.
54870807845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11787537 (or 11787530 counting only the distinct ones).
The product of its (nonzero) digits is 10035200, while the sum is 56.
The spelling of 54870807845 in words is "fifty-four billion, eight hundred seventy million, eight hundred seven thousand, eight hundred forty-five".
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