Base | Representation |
---|---|
bin | 11010001001100000… |
… | …101100100101010011 |
3 | 2200110201112221110012 |
4 | 122021200230211103 |
5 | 430000133303322 |
6 | 20522012225135 |
7 | 2012525213666 |
oct | 321140544523 |
9 | 80421487405 |
10 | 28076853587 |
11 | 109a8719732 |
12 | 5536a6b1ab |
13 | 2855b18c43 |
14 | 1504c776dd |
15 | ae4d97ae2 |
hex | 68982c953 |
28076853587 has 8 divisors (see below), whose sum is σ = 28773089520. Its totient is φ = 27381162240.
The previous prime is 28076853529. The next prime is 28076853593. The reversal of 28076853587 is 78535867082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28076853587 - 28 = 28076853331 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28076853517) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30758 + ... + 238955.
It is an arithmetic number, because the mean of its divisors is an integer number (3596636190).
Almost surely, 228076853587 is an apocalyptic number.
28076853587 is a deficient number, since it is larger than the sum of its proper divisors (696235933).
28076853587 is a wasteful number, since it uses less digits than its factorization.
28076853587 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272293.
The product of its (nonzero) digits is 22579200, while the sum is 59.
The spelling of 28076853587 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-three thousand, five hundred eighty-seven".
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