Base | Representation |
---|---|
bin | 11010010010100010… |
… | …011100011111011110 |
3 | 2200212021112120100112 |
4 | 122102202130133132 |
5 | 430302421310120 |
6 | 20545022330022 |
7 | 2016344435606 |
oct | 322242343736 |
9 | 80767476315 |
10 | 28228306910 |
11 | 10a76163871 |
12 | 5579729912 |
13 | 287b3064ab |
14 | 151b01dc06 |
15 | b03312bc5 |
hex | 69289c7de |
28228306910 has 16 divisors (see below), whose sum is σ = 50814000000. Its totient is φ = 11290645536.
The previous prime is 28228306907. The next prime is 28228306913. The reversal of 28228306910 is 1960382282.
It is an interprime number because it is at equal distance from previous prime (28228306907) and next prime (28228306913).
It is a super-2 number, since 2×282283069102 (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 (28228306913) 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 7 ways as a sum of consecutive naturals, for example, 112211 + ... + 262769.
It is an arithmetic number, because the mean of its divisors is an integer number (3175875000).
Almost surely, 228228306910 is an apocalyptic number.
28228306910 is a deficient number, since it is larger than the sum of its proper divisors (22585693090).
28228306910 is a wasteful number, since it uses less digits than its factorization.
28228306910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169315.
The product of its (nonzero) digits is 82944, while the sum is 41.
The spelling of 28228306910 in words is "twenty-eight billion, two hundred twenty-eight million, three hundred six thousand, nine hundred ten".
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