Base | Representation |
---|---|
bin | 11000010100001011… |
… | …010011011001011011 |
3 | 2111101112101121212100 |
4 | 120110023103121123 |
5 | 411432211424011 |
6 | 15554411414443 |
7 | 1612662661110 |
oct | 302413233133 |
9 | 74345347770 |
10 | 26108311131 |
11 | 10088508641 |
12 | 5087754423 |
13 | 2601037116 |
14 | 139964a907 |
15 | a2c14ad56 |
hex | 6142d365b |
26108311131 has 24 divisors (see below), whose sum is σ = 43438813184. Its totient is φ = 14801557680.
The previous prime is 26108311123. The next prime is 26108311133. The reversal of 26108311131 is 13111380162.
26108311131 is a `hidden beast` number, since 2 + 610 + 8 + 3 + 1 + 11 + 31 = 666.
It is not a de Polignac number, because 26108311131 - 23 = 26108311123 is a prime.
It is a super-2 number, since 2×261083111312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 26108311095 and 26108311104.
It is not an unprimeable number, because it can be changed into a prime (26108311133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1623565 + ... + 1639566.
Almost surely, 226108311131 is an apocalyptic number.
26108311131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
26108311131 is a deficient number, since it is larger than the sum of its proper divisors (17330502053).
26108311131 is a wasteful number, since it uses less digits than its factorization.
26108311131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3263271 (or 3263268 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 27.
Adding to 26108311131 its reverse (13111380162), we get a palindrome (39219691293).
The spelling of 26108311131 in words is "twenty-six billion, one hundred eight million, three hundred eleven thousand, one hundred thirty-one".
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