Base | Representation |
---|---|
bin | 110010011010111101… |
… | …111000010100100000 |
3 | 12011202002001120221002 |
4 | 302122331320110200 |
5 | 1341334204122123 |
6 | 40512113451132 |
7 | 3624425221010 |
oct | 623275702440 |
9 | 164662046832 |
10 | 54139520288 |
11 | 20a623909a7 |
12 | a5ab270aa8 |
13 | 514a561309 |
14 | 2898401c40 |
15 | 161cec9528 |
hex | c9af78520 |
54139520288 has 96 divisors (see below), whose sum is σ = 129124243584. Its totient is φ = 21813276672.
The previous prime is 54139520269. The next prime is 54139520293. The reversal of 54139520288 is 88202593145.
It is a happy number.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3598670 + ... + 3613682.
It is an arithmetic number, because the mean of its divisors is an integer number (1345044204).
Almost surely, 254139520288 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54139520288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64562121792).
54139520288 is an abundant number, since it is smaller than the sum of its proper divisors (74984723296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54139520288 is a wasteful number, since it uses less digits than its factorization.
54139520288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15994 (or 15986 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 47.
The spelling of 54139520288 in words is "fifty-four billion, one hundred thirty-nine million, five hundred twenty thousand, two hundred eighty-eight".
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