Base | Representation |
---|---|
bin | 11010101101010100… |
… | …011001110101100011 |
3 | 2202000120222120111020 |
4 | 122231110121311203 |
5 | 432212432021401 |
6 | 21101352420523 |
7 | 2033441445621 |
oct | 325524316543 |
9 | 82016876436 |
10 | 28677610851 |
11 | 1118684453a |
12 | 56840a7743 |
13 | 292041b406 |
14 | 156097a511 |
15 | b2c9b4d36 |
hex | 6ad519d63 |
28677610851 has 16 divisors (see below), whose sum is σ = 40310059008. Its totient is φ = 18108028800.
The previous prime is 28677610807. The next prime is 28677610853. The reversal of 28677610851 is 15801677682.
It is a happy number.
It is not a de Polignac number, because 28677610851 - 27 = 28677610723 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28677610794 and 28677610803.
It is not an unprimeable number, because it can be changed into a prime (28677610853) 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 15 ways as a sum of consecutive naturals, for example, 3276070 + ... + 3284811.
It is an arithmetic number, because the mean of its divisors is an integer number (2519378688).
Almost surely, 228677610851 is an apocalyptic number.
28677610851 is a deficient number, since it is larger than the sum of its proper divisors (11632448157).
28677610851 is a wasteful number, since it uses less digits than its factorization.
28677610851 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6560962.
The product of its (nonzero) digits is 1128960, while the sum is 51.
The spelling of 28677610851 in words is "twenty-eight billion, six hundred seventy-seven million, six hundred ten thousand, eight hundred fifty-one".
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