Base | Representation |
---|---|
bin | 11010001001110011… |
… | …000101110010011001 |
3 | 2200111001121220202111 |
4 | 122021303011302121 |
5 | 430002402103132 |
6 | 20522303432321 |
7 | 2012614205545 |
oct | 321163056231 |
9 | 80431556674 |
10 | 28081675417 |
11 | 10a00412414 |
12 | 55385b56a1 |
13 | 2856b168b3 |
14 | 1505770a25 |
15 | ae54eb647 |
hex | 689cc5c99 |
28081675417 has 8 divisors (see below), whose sum is σ = 28742599424. Its totient is φ = 27421108848.
The previous prime is 28081675411. The next prime is 28081675429. The reversal of 28081675417 is 71457618082.
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 28081675417 - 211 = 28081673369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28081675411) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 73048 + ... + 247990.
It is an arithmetic number, because the mean of its divisors is an integer number (3592824928).
Almost surely, 228081675417 is an apocalyptic number.
It is an amenable number.
28081675417 is a deficient number, since it is larger than the sum of its proper divisors (660924007).
28081675417 is a wasteful number, since it uses less digits than its factorization.
28081675417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178719.
The product of its (nonzero) digits is 752640, while the sum is 49.
The spelling of 28081675417 in words is "twenty-eight billion, eighty-one million, six hundred seventy-five thousand, four hundred seventeen".
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