Base | Representation |
---|---|
bin | 11010000100111101… |
… | …101000011001001011 |
3 | 2200021101222110001212 |
4 | 122010331220121023 |
5 | 424321120140043 |
6 | 20510245003335 |
7 | 2010610524626 |
oct | 320475503113 |
9 | 80241873055 |
10 | 28000552523 |
11 | 109696445a9 |
12 | 55153b354b |
13 | 2843082398 |
14 | 14d8a94dbd |
15 | add325018 |
hex | 684f6864b |
28000552523 has 8 divisors (see below), whose sum is σ = 28093473168. Its totient is φ = 27907745184.
The previous prime is 28000552469. The next prime is 28000552537. The reversal of 28000552523 is 32525500082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28000552523 - 218 = 28000290379 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28000552523.
It is not an unprimeable number, because it can be changed into a prime (28000552543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481865 + ... + 536837.
It is an arithmetic number, because the mean of its divisors is an integer number (3511684146).
Almost surely, 228000552523 is an apocalyptic number.
28000552523 is a deficient number, since it is larger than the sum of its proper divisors (92920645).
28000552523 is a wasteful number, since it uses less digits than its factorization.
28000552523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56653.
The product of its (nonzero) digits is 24000, while the sum is 32.
The spelling of 28000552523 in words is "twenty-eight billion, five hundred fifty-two thousand, five hundred twenty-three".
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