Base | Representation |
---|---|
bin | 11010001000110000… |
… | …101000111101100010 |
3 | 2200102211211220121001 |
4 | 122020300220331202 |
5 | 424433422141332 |
6 | 20520442222214 |
7 | 2012313144610 |
oct | 321060507542 |
9 | 80384756531 |
10 | 28064255842 |
11 | 109a15a4877 |
12 | 55327b496a |
13 | 2853327b5c |
14 | 15033186b0 |
15 | ae3c0a0e7 |
hex | 688c28f62 |
28064255842 has 16 divisors (see below), whose sum is σ = 48134584512. Its totient is φ = 12021430320.
The previous prime is 28064255803. The next prime is 28064255861. The reversal of 28064255842 is 24855246082.
It is a super-2 number, since 2×280642558422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28064255792 and 28064255801.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480384 + ... + 535627.
It is an arithmetic number, because the mean of its divisors is an integer number (3008411532).
Almost surely, 228064255842 is an apocalyptic number.
28064255842 is a deficient number, since it is larger than the sum of its proper divisors (20070328670).
28064255842 is a wasteful number, since it uses less digits than its factorization.
28064255842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1017993.
The product of its (nonzero) digits is 1228800, while the sum is 46.
The spelling of 28064255842 in words is "twenty-eight billion, sixty-four million, two hundred fifty-five thousand, eight hundred forty-two".
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