Base | Representation |
---|---|
bin | 11000111111000101… |
… | …000110011110111100 |
3 | 2120020200210222022222 |
4 | 120333011012132330 |
5 | 414420443340120 |
6 | 20154043224512 |
7 | 1636553064326 |
oct | 307705063674 |
9 | 76220728288 |
10 | 26828105660 |
11 | 10417847954 |
12 | 5248818138 |
13 | 26b71b7245 |
14 | 1427098616 |
15 | a7042d525 |
hex | 63f1467bc |
26828105660 has 12 divisors (see below), whose sum is σ = 56339021928. Its totient is φ = 10731242256.
The previous prime is 26828105627. The next prime is 26828105683. The reversal of 26828105660 is 6650182862.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670702622 + ... + 670702661.
It is an arithmetic number, because the mean of its divisors is an integer number (4694918494).
Almost surely, 226828105660 is an apocalyptic number.
26828105660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
26828105660 is an abundant number, since it is smaller than the sum of its proper divisors (29510916268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26828105660 is a wasteful number, since it uses less digits than its factorization.
26828105660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1341405292 (or 1341405290 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 44.
The spelling of 26828105660 in words is "twenty-six billion, eight hundred twenty-eight million, one hundred five thousand, six hundred sixty".
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