Base | Representation |
---|---|
bin | 11000111101010101… |
… | …101100001100010110 |
3 | 2120011122212011200111 |
4 | 120331111230030112 |
5 | 414341004244430 |
6 | 20151121233234 |
7 | 1636046614522 |
oct | 307525541426 |
9 | 76148764614 |
10 | 26798899990 |
11 | 1040230a235 |
12 | 523aa9281a |
13 | 26b112c995 |
14 | 1423254d82 |
15 | a6caaec2a |
hex | 63d56c316 |
26798899990 has 16 divisors (see below), whose sum is σ = 48254148000. Its totient is φ = 10715976000.
The previous prime is 26798899957. The next prime is 26798899997. The reversal of 26798899990 is 9999889762.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26798899997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416490 + ... + 476509.
It is an arithmetic number, because the mean of its divisors is an integer number (3015884250).
Almost surely, 226798899990 is an apocalyptic number.
26798899990 is a deficient number, since it is larger than the sum of its proper divisors (21455248010).
26798899990 is a wasteful number, since it uses less digits than its factorization.
26798899990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896007.
The product of its (nonzero) digits is 317447424, while the sum is 76.
The spelling of 26798899990 in words is "twenty-six billion, seven hundred ninety-eight million, eight hundred ninety-nine thousand, nine hundred ninety".
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