Base | Representation |
---|---|
bin | 11000011011011110… |
… | …110011100100100001 |
3 | 2111201001222222000110 |
4 | 120123132303210201 |
5 | 412210100123121 |
6 | 20014510241533 |
7 | 1616011444425 |
oct | 303336634441 |
9 | 74631888013 |
10 | 26230864161 |
11 | 10140703537 |
12 | 51007b62a9 |
13 | 26205460c8 |
14 | 13aba2cb85 |
15 | a37ca7d76 |
hex | 61b7b3921 |
26230864161 has 32 divisors (see below), whose sum is σ = 35786741760. Its totient is φ = 17086204800.
The previous prime is 26230864159. The next prime is 26230864183. The reversal of 26230864161 is 16146803262.
It is not a de Polignac number, because 26230864161 - 21 = 26230864159 is a prime.
It is not an unprimeable number, because it can be changed into a prime (26230864111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15240781 + ... + 15242501.
It is an arithmetic number, because the mean of its divisors is an integer number (1118335680).
Almost surely, 226230864161 is an apocalyptic number.
It is an amenable number.
26230864161 is a deficient number, since it is larger than the sum of its proper divisors (9555877599).
26230864161 is a wasteful number, since it uses less digits than its factorization.
26230864161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2397.
The product of its (nonzero) digits is 82944, while the sum is 39.
The spelling of 26230864161 in words is "twenty-six billion, two hundred thirty million, eight hundred sixty-four thousand, one hundred sixty-one".
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