Base | Representation |
---|---|
bin | 11010001001001000… |
… | …011100111111100100 |
3 | 2200110021121001121022 |
4 | 122021020130333210 |
5 | 424442021421101 |
6 | 20521224110312 |
7 | 2012420204252 |
oct | 321110347744 |
9 | 80407531538 |
10 | 28070498276 |
11 | 109a5078907 |
12 | 5534905398 |
13 | 28547022c2 |
14 | 15040a15d2 |
15 | ae453ea1b |
hex | 68921cfe4 |
28070498276 has 12 divisors (see below), whose sum is σ = 49481937708. Its totient is φ = 13932801792.
The previous prime is 28070498237. The next prime is 28070498297. The reversal of 28070498276 is 67289407082.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 7913881600 + 20156616676 = 88960^2 + 141974^2 .
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 25611221 + ... + 25612316.
It is an arithmetic number, because the mean of its divisors is an integer number (4123494809).
Almost surely, 228070498276 is an apocalyptic number.
It is an amenable number.
28070498276 is a deficient number, since it is larger than the sum of its proper divisors (21411439432).
28070498276 is a wasteful number, since it uses less digits than its factorization.
28070498276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51223678 (or 51223676 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 53.
The spelling of 28070498276 in words is "twenty-eight billion, seventy million, four hundred ninety-eight thousand, two hundred seventy-six".
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