Base | Representation |
---|---|
bin | 11001000111011110… |
… | …001010000111111100 |
3 | 2120121111201122202011 |
4 | 121013132022013330 |
5 | 420213014020100 |
6 | 20220032541004 |
7 | 1643212540666 |
oct | 310736120774 |
9 | 76544648664 |
10 | 26968891900 |
11 | 1048a266715 |
12 | 52879b1764 |
13 | 270a40b402 |
14 | 143ba65536 |
15 | a7c98cbba |
hex | 64778a1fc |
26968891900 has 18 divisors (see below), whose sum is σ = 58522495640. Its totient is φ = 10787556720.
The previous prime is 26968891889. The next prime is 26968891903. The reversal of 26968891900 is 919886962.
It is a super-2 number, since 2×269688919002 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (26968891903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134844360 + ... + 134844559.
Almost surely, 226968891900 is an apocalyptic number.
26968891900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
26968891900 is an abundant number, since it is smaller than the sum of its proper divisors (31553603740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26968891900 is a wasteful number, since it uses less digits than its factorization.
26968891900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269688933 (or 269688926 counting only the distinct ones).
The product of its (nonzero) digits is 3359232, while the sum is 58.
The spelling of 26968891900 in words is "twenty-six billion, nine hundred sixty-eight million, eight hundred ninety-one thousand, nine hundred".
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