Base | Representation |
---|---|
bin | 11000111001010010… |
… | …101111111011100000 |
3 | 2112222221010111211210 |
4 | 120321102233323200 |
5 | 414221120120000 |
6 | 20140254310120 |
7 | 1634263630626 |
oct | 307122577340 |
9 | 75887114753 |
10 | 26731020000 |
11 | 10377a66a73 |
12 | 52201b8340 |
13 | 26a00540c9 |
14 | 1418225516 |
15 | a66b52350 |
hex | 6394afee0 |
26731020000 has 240 divisors, whose sum is σ = 90060383952. Its totient is φ = 6935040000.
The previous prime is 26731019989. The next prime is 26731020011. The reversal of 26731020000 is 2013762.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (26731019989) and next prime (26731020011).
It is a tau number, because it is divible by the number of its divisors (240).
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 39 ways as a sum of consecutive naturals, for example, 2213980 + ... + 2226020.
Almost surely, 226731020000 is an apocalyptic number.
26731020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26731020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45030191976).
26731020000 is an abundant number, since it is smaller than the sum of its proper divisors (63329363952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26731020000 is a wasteful number, since it uses less digits than its factorization.
26731020000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12111 (or 12088 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
Adding to 26731020000 its reverse (2013762), we get a palindrome (26733033762).
The spelling of 26731020000 in words is "twenty-six billion, seven hundred thirty-one million, twenty thousand".
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