Base | Representation |
---|---|
bin | 11000101000001011… |
… | …111001010101001111 |
3 | 2112020221001221021120 |
4 | 120220023321111033 |
5 | 413124131321311 |
6 | 20052002532023 |
7 | 1624210245330 |
oct | 305013712517 |
9 | 75227057246 |
10 | 26444010831 |
11 | 1023aa55807 |
12 | 5160067013 |
13 | 26557542b4 |
14 | 13cc074287 |
15 | a4b85c706 |
hex | 6282f954f |
26444010831 has 16 divisors (see below), whose sum is σ = 40324858368. Its totient is φ = 15099904800.
The previous prime is 26444010829. The next prime is 26444010839. The reversal of 26444010831 is 13801044462.
It is not a de Polignac number, because 26444010831 - 21 = 26444010829 is a prime.
It is a super-2 number, since 2×264440108312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 26444010792 and 26444010801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26444010839) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426915 + ... + 484916.
It is an arithmetic number, because the mean of its divisors is an integer number (2520303648).
Almost surely, 226444010831 is an apocalyptic number.
26444010831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
26444010831 is a deficient number, since it is larger than the sum of its proper divisors (13880847537).
26444010831 is a wasteful number, since it uses less digits than its factorization.
26444010831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 913222.
The product of its (nonzero) digits is 18432, while the sum is 33.
The spelling of 26444010831 in words is "twenty-six billion, four hundred forty-four million, ten thousand, eight hundred thirty-one".
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