Base | Representation |
---|---|
bin | 11010101100101000… |
… | …010111100110101110 |
3 | 2201222210021002211001 |
4 | 122230220113212232 |
5 | 432202003123444 |
6 | 21100301150514 |
7 | 2033241360310 |
oct | 325450274656 |
9 | 81883232731 |
10 | 28666067374 |
11 | 1118027a77a |
12 | 568025b43a |
13 | 291ac09159 |
14 | 155d2137b0 |
15 | b2b9848d4 |
hex | 6aca179ae |
28666067374 has 16 divisors (see below), whose sum is σ = 49173964416. Its totient is φ = 12277423800.
The previous prime is 28666067363. The next prime is 28666067383. The reversal of 28666067374 is 47376066682.
It is a congruent number.
It is an unprimeable number.
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, 647272 + ... + 690139.
It is an arithmetic number, because the mean of its divisors is an integer number (3073372776).
Almost surely, 228666067374 is an apocalyptic number.
28666067374 is a deficient number, since it is larger than the sum of its proper divisors (20507897042).
28666067374 is a wasteful number, since it uses less digits than its factorization.
28666067374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1338951.
The product of its (nonzero) digits is 12192768, while the sum is 55.
The spelling of 28666067374 in words is "twenty-eight billion, six hundred sixty-six million, sixty-seven thousand, three hundred seventy-four".
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