Base | Representation |
---|---|
bin | 11010001000001001… |
… | …101110111100101001 |
3 | 2200102010122202001201 |
4 | 122020021232330221 |
5 | 424423314303440 |
6 | 20515435444201 |
7 | 2012130355621 |
oct | 321011567451 |
9 | 80363582051 |
10 | 28054056745 |
11 | 10996869070 |
12 | 552b2b6661 |
13 | 28511967a0 |
14 | 1501c21881 |
15 | ae2d9319a |
hex | 68826ef29 |
28054056745 has 32 divisors (see below), whose sum is σ = 39565895040. Its totient is φ = 18826083840.
The previous prime is 28054056707. The next prime is 28054056791. The reversal of 28054056745 is 54765045082.
It is not a de Polignac number, because 28054056745 - 27 = 28054056617 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28054056695 and 28054056704.
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 31 ways as a sum of consecutive naturals, for example, 2288322 + ... + 2300548.
It is an arithmetic number, because the mean of its divisors is an integer number (1236434220).
Almost surely, 228054056745 is an apocalyptic number.
It is an amenable number.
28054056745 is a deficient number, since it is larger than the sum of its proper divisors (11511838295).
28054056745 is a wasteful number, since it uses less digits than its factorization.
28054056745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15465.
The product of its (nonzero) digits is 1344000, while the sum is 46.
The spelling of 28054056745 in words is "twenty-eight billion, fifty-four million, fifty-six thousand, seven hundred forty-five".
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