Base | Representation |
---|---|
bin | 1100110001001111001111… |
… | …01110001110011001100011 |
3 | 10200102102121200011222010010 |
4 | 12120213213232032121203 |
5 | 12140031010222242301 |
6 | 135415451552340003 |
7 | 5625501531133344 |
oct | 630474756163143 |
9 | 120372550158103 |
10 | 28080088868451 |
11 | 8a46776135554 |
12 | 3196138b44603 |
13 | 1288c30556889 |
14 | 6d11253aa0cb |
15 | 33a662ec15d6 |
hex | 1989e7b8e663 |
28080088868451 has 12 divisors (see below), whose sum is σ = 39514363284552. Its totient is φ = 17734792968864.
The previous prime is 28080088868443. The next prime is 28080088868467. The reversal of 28080088868451 is 15486888008082.
It is not a de Polignac number, because 28080088868451 - 23 = 28080088868443 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28080088868431) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12964028866 + ... + 12964031031.
It is an arithmetic number, because the mean of its divisors is an integer number (3292863607046).
Almost surely, 228080088868451 is an apocalyptic number.
28080088868451 is a deficient number, since it is larger than the sum of its proper divisors (11434274416101).
28080088868451 is a wasteful number, since it uses less digits than its factorization.
28080088868451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25928059938 (or 25928059919 counting only the distinct ones).
The product of its (nonzero) digits is 62914560, while the sum is 66.
The spelling of 28080088868451 in words is "twenty-eight trillion, eighty billion, eighty-eight million, eight hundred sixty-eight thousand, four hundred fifty-one".
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