Base | Representation |
---|---|
bin | 11000111010101111… |
… | …000000101011100000 |
3 | 2120001121122021121020 |
4 | 120322233000223200 |
5 | 414243313041411 |
6 | 20142520525440 |
7 | 1635006332421 |
oct | 307257005340 |
9 | 76047567536 |
10 | 26755205856 |
11 | 1038a686185 |
12 | 5228320880 |
13 | 26a5071872 |
14 | 141b51d648 |
15 | a68d2d606 |
hex | 63abc0ae0 |
26755205856 has 48 divisors (see below), whose sum is σ = 70268509584. Its totient is φ = 8913818624.
The previous prime is 26755205833. The next prime is 26755205857. The reversal of 26755205856 is 65850255762.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a junction number, because it is equal to n+sod(n) for n = 26755205799 and 26755205808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26755205857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118780 + ... + 260036.
It is an arithmetic number, because the mean of its divisors is an integer number (1463927283).
Almost surely, 226755205856 is an apocalyptic number.
It is an amenable number.
26755205856 is an abundant number, since it is smaller than the sum of its proper divisors (43513303728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26755205856 is a wasteful number, since it uses less digits than its factorization.
26755205856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143243 (or 143235 counting only the distinct ones).
The product of its (nonzero) digits is 5040000, while the sum is 51.
The spelling of 26755205856 in words is "twenty-six billion, seven hundred fifty-five million, two hundred five thousand, eight hundred fifty-six".
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