Base | Representation |
---|---|
bin | 11010000110011101… |
… | …010010110100111011 |
3 | 2200100011011111220201 |
4 | 122012131102310323 |
5 | 424344030130021 |
6 | 20512542303031 |
7 | 2011333632061 |
oct | 320635226473 |
9 | 80304144821 |
10 | 28025630011 |
11 | 109818126a5 |
12 | 5521887a77 |
13 | 2848322932 |
14 | 14dc142031 |
15 | ae062a591 |
hex | 686752d3b |
28025630011 has 8 divisors (see below), whose sum is σ = 28931926400. Its totient is φ = 27119473920.
The previous prime is 28025629999. The next prime is 28025630023. The reversal of 28025630011 is 11003652082.
It is an interprime number because it is at equal distance from previous prime (28025629999) and next prime (28025630023).
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 28025630011 - 211 = 28025627963 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28025630051) 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 7 ways as a sum of consecutive naturals, for example, 501355 + ... + 554443.
It is an arithmetic number, because the mean of its divisors is an integer number (3616490800).
Almost surely, 228025630011 is an apocalyptic number.
28025630011 is a deficient number, since it is larger than the sum of its proper divisors (906296389).
28025630011 is a wasteful number, since it uses less digits than its factorization.
28025630011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70149.
The product of its (nonzero) digits is 2880, while the sum is 28.
The spelling of 28025630011 in words is "twenty-eight billion, twenty-five million, six hundred thirty thousand, eleven".
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