Base | Representation |
---|---|
bin | 110001111011… |
… | …1111000001101 |
3 | 1211021010202121 |
4 | 1203313320031 |
5 | 23200244013 |
6 | 2333052541 |
7 | 435351556 |
oct | 143677015 |
9 | 54233677 |
10 | 26181133 |
11 | 13862300 |
12 | 8927151 |
13 | 55689c4 |
14 | 369732d |
15 | 247258d |
hex | 18f7e0d |
26181133 has 6 divisors (see below), whose sum is σ = 28777742. Its totient is φ = 23800920.
The previous prime is 26181131. The next prime is 26181149. The reversal of 26181133 is 33118162.
It can be written as a sum of positive squares in only one way, i.e., 15507844 + 10673289 = 3938^2 + 3267^2 .
It is not a de Polignac number, because 26181133 - 21 = 26181131 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 26181098 and 26181107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26181131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108066 + ... + 108307.
Almost surely, 226181133 is an apocalyptic number.
It is an amenable number.
26181133 is a deficient number, since it is larger than the sum of its proper divisors (2596609).
26181133 is a wasteful number, since it uses less digits than its factorization.
26181133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216395 (or 216384 counting only the distinct ones).
The product of its digits is 864, while the sum is 25.
The square root of 26181133 is about 5116.7502381883. The cubic root of 26181133 is about 296.9359715656.
Adding to 26181133 its reverse (33118162), we get a palindrome (59299295).
The spelling of 26181133 in words is "twenty-six million, one hundred eighty-one thousand, one hundred thirty-three".
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