Base | Representation |
---|---|
bin | 11000010011111111… |
… | …100111100110010000 |
3 | 2111101022122000020101 |
4 | 120103333213212100 |
5 | 411430420420034 |
6 | 15554222022144 |
7 | 1612624643113 |
oct | 302377474620 |
9 | 74338560211 |
10 | 26105248144 |
11 | 10086806348 |
12 | 5086717954 |
13 | 2600503bc1 |
14 | 139909057a |
15 | a2bc43514 |
hex | 613fe7990 |
26105248144 has 20 divisors (see below), whose sum is σ = 53554149324. Its totient is φ = 12284822528.
The previous prime is 26105248109. The next prime is 26105248181. The reversal of 26105248144 is 44184250162.
It can be written as a sum of positive squares in 2 ways, for example, as 18257414400 + 7847833744 = 135120^2 + 88588^2 .
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 47987317 + ... + 47987860.
Almost surely, 226105248144 is an apocalyptic number.
It is an amenable number.
26105248144 is an abundant number, since it is smaller than the sum of its proper divisors (27448901180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26105248144 is a wasteful number, since it uses less digits than its factorization.
26105248144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95975202 (or 95975196 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 37.
The spelling of 26105248144 in words is "twenty-six billion, one hundred five million, two hundred forty-eight thousand, one hundred forty-four".
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