Base | Representation |
---|---|
bin | 11001000010001110… |
… | …111010000100010100 |
3 | 2120101101100200112220 |
4 | 121002032322010110 |
5 | 420023014223032 |
6 | 20203213142340 |
7 | 1641064540254 |
oct | 310216720424 |
9 | 76341320486 |
10 | 26881007892 |
11 | 104446a0102 |
12 | 526248a9b0 |
13 | 26c514a63b |
14 | 1430109964 |
15 | a74dcd12c |
hex | 6423ba114 |
26881007892 has 48 divisors (see below), whose sum is σ = 62975852352. Its totient is φ = 8924185600.
The previous prime is 26881007887. The next prime is 26881007953. The reversal of 26881007892 is 29870018862.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4008142 + ... + 4014842.
It is an arithmetic number, because the mean of its divisors is an integer number (1311996924).
Almost surely, 226881007892 is an apocalyptic number.
It is an amenable number.
26881007892 is an abundant number, since it is smaller than the sum of its proper divisors (36094844460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26881007892 is a wasteful number, since it uses less digits than its factorization.
26881007892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8008 (or 8006 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 51.
The spelling of 26881007892 in words is "twenty-six billion, eight hundred eighty-one million, seven thousand, eight hundred ninety-two".
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