Base | Representation |
---|---|
bin | 11001000000101011… |
… | …111101000110100001 |
3 | 2120022120112210210120 |
4 | 121000223331012201 |
5 | 414444344134230 |
6 | 20200445150453 |
7 | 1640331212040 |
oct | 310053750641 |
9 | 76276483716 |
10 | 26855068065 |
11 | 10430a93131 |
12 | 525585b429 |
13 | 26bc967727 |
14 | 142a8b6557 |
15 | a729a7310 |
hex | 640afd1a1 |
26855068065 has 64 divisors (see below), whose sum is σ = 53938483200. Its totient is φ = 11124774144.
The previous prime is 26855068061. The next prime is 26855068091. The reversal of 26855068065 is 56086055862.
It is not a de Polignac number, because 26855068065 - 22 = 26855068061 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 26855067999 and 26855068017.
It is not an unprimeable number, because it can be changed into a prime (26855068061) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246750 + ... + 338519.
It is an arithmetic number, because the mean of its divisors is an integer number (842788800).
Almost surely, 226855068065 is an apocalyptic number.
It is an amenable number.
26855068065 is an abundant number, since it is smaller than the sum of its proper divisors (27083415135).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26855068065 is a wasteful number, since it uses less digits than its factorization.
26855068065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 585326.
The product of its (nonzero) digits is 3456000, while the sum is 51.
The spelling of 26855068065 in words is "twenty-six billion, eight hundred fifty-five million, sixty-eight thousand, sixty-five".
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