Base | Representation |
---|---|
bin | 1111111000011000101… |
… | …11011011100001101010 |
3 | 1221011110120012111110120 |
4 | 13330030113123201222 |
5 | 32420012042041432 |
6 | 1054402045424110 |
7 | 54265112102511 |
oct | 7741427334152 |
9 | 1834416174416 |
10 | 545668315242 |
11 | 1a04645a1696 |
12 | 8990726b036 |
13 | 3c5c165650b |
14 | 1c5a653d678 |
15 | e2da085c2c |
hex | 7f0c5db86a |
545668315242 has 32 divisors (see below), whose sum is σ = 1099617638400. Its totient is φ = 180511396800.
The previous prime is 545668315219. The next prime is 545668315243. The reversal of 545668315242 is 242513866545.
It is not an unprimeable number, because it can be changed into a prime (545668315243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763848 + ... + 1294140.
It is an arithmetic number, because the mean of its divisors is an integer number (34363051200).
Almost surely, 2545668315242 is an apocalyptic number.
545668315242 is an abundant number, since it is smaller than the sum of its proper divisors (553949323158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545668315242 is a wasteful number, since it uses less digits than its factorization.
545668315242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 531598.
The product of its digits is 6912000, while the sum is 51.
The spelling of 545668315242 in words is "five hundred forty-five billion, six hundred sixty-eight million, three hundred fifteen thousand, two hundred forty-two".
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