Base | Representation |
---|---|
bin | 11010101001001000… |
… | …101011101101101101 |
3 | 2201211200220222202101 |
4 | 122221020223231231 |
5 | 432042000220420 |
6 | 21050404255101 |
7 | 2031630065335 |
oct | 325110535555 |
9 | 81750828671 |
10 | 28607429485 |
11 | 1115016a208 |
12 | 56646a1491 |
13 | 290ba1818b |
14 | 155550c0c5 |
15 | b2675060a |
hex | 6a922bb6d |
28607429485 has 16 divisors (see below), whose sum is σ = 34429977216. Its totient is φ = 22818656448.
The previous prime is 28607429471. The next prime is 28607429489. The reversal of 28607429485 is 58492470682.
It is a cyclic number.
It is not a de Polignac number, because 28607429485 - 29 = 28607428973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28607429489) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 3119527 + ... + 3128683.
It is an arithmetic number, because the mean of its divisors is an integer number (2151873576).
Almost surely, 228607429485 is an apocalyptic number.
It is an amenable number.
28607429485 is a deficient number, since it is larger than the sum of its proper divisors (5822547731).
28607429485 is a wasteful number, since it uses less digits than its factorization.
28607429485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10932.
The product of its (nonzero) digits is 7741440, while the sum is 55.
The spelling of 28607429485 in words is "twenty-eight billion, six hundred seven million, four hundred twenty-nine thousand, four hundred eighty-five".
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