Base | Representation |
---|---|
bin | 11000111000111010… |
… | …100100000111111110 |
3 | 2112222111012102021000 |
4 | 120320322210013332 |
5 | 414213004231230 |
6 | 20135510351130 |
7 | 1634156014335 |
oct | 307072440776 |
9 | 75874172230 |
10 | 26724680190 |
11 | 1037442685a |
12 | 521a05b4a6 |
13 | 269b944540 |
14 | 1417454d1c |
15 | a662edb60 |
hex | 638ea41fe |
26724680190 has 128 divisors (see below), whose sum is σ = 76855363200. Its totient is φ = 6569164800.
The previous prime is 26724680183. The next prime is 26724680209. The reversal of 26724680190 is 9108642762.
It is a happy number.
26724680190 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×267246801902 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
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 63 ways as a sum of consecutive naturals, for example, 2694240 + ... + 2704140.
It is an arithmetic number, because the mean of its divisors is an integer number (600432525).
Almost surely, 226724680190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26724680190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38427681600).
26724680190 is an abundant number, since it is smaller than the sum of its proper divisors (50130683010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26724680190 is a wasteful number, since it uses less digits than its factorization.
26724680190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10699 (or 10693 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 26724680190 in words is "twenty-six billion, seven hundred twenty-four million, six hundred eighty thousand, one hundred ninety".
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