Base | Representation |
---|---|
bin | 11010011101110100… |
… | …110111011001110011 |
3 | 2201100110212222101211 |
4 | 122131310313121303 |
5 | 431144411410412 |
6 | 21015505340551 |
7 | 2024134223620 |
oct | 323564673163 |
9 | 81313788354 |
10 | 28417685107 |
11 | 11063051479 |
12 | 5611037757 |
13 | 28ab611bb6 |
14 | 1538239347 |
15 | b14c6eca7 |
hex | 69dd37673 |
28417685107 has 16 divisors (see below), whose sum is σ = 33179581440. Its totient is φ = 23836804992.
The previous prime is 28417685083. The next prime is 28417685113. The reversal of 28417685107 is 70158671482.
It is a de Polignac number, because none of the positive numbers 2k-28417685107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28417685147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164893 + ... + 289870.
It is an arithmetic number, because the mean of its divisors is an integer number (2073723840).
Almost surely, 228417685107 is an apocalyptic number.
28417685107 is a deficient number, since it is larger than the sum of its proper divisors (4761896333).
28417685107 is a wasteful number, since it uses less digits than its factorization.
28417685107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454962.
The product of its (nonzero) digits is 752640, while the sum is 49.
The spelling of 28417685107 in words is "twenty-eight billion, four hundred seventeen million, six hundred eighty-five thousand, one hundred seven".
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