Base | Representation |
---|---|
bin | 11010000110100100… |
… | …100010001101000011 |
3 | 2200100021201221110201 |
4 | 122012210202031003 |
5 | 424400021344003 |
6 | 20513051110031 |
7 | 2011356025426 |
oct | 320644421503 |
9 | 80307657421 |
10 | 28027528003 |
11 | 10982899692 |
12 | 5522442317 |
13 | 28488387c7 |
14 | 14dc4b79bd |
15 | ae08a2b1d |
hex | 686922343 |
28027528003 has 4 divisors (see below), whose sum is σ = 28195357680. Its totient is φ = 27859698328.
The previous prime is 28027527991. The next prime is 28027528013. The reversal of 28027528003 is 30082572082.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30082572082 = 2 ⋅15041286041.
It is a cyclic number.
It is not a de Polignac number, because 28027528003 - 213 = 28027519811 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28027528013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83914588 + ... + 83914921.
It is an arithmetic number, because the mean of its divisors is an integer number (7048839420).
Almost surely, 228027528003 is an apocalyptic number.
28027528003 is a deficient number, since it is larger than the sum of its proper divisors (167829677).
28027528003 is a wasteful number, since it uses less digits than its factorization.
28027528003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167829676.
The product of its (nonzero) digits is 53760, while the sum is 37.
The spelling of 28027528003 in words is "twenty-eight billion, twenty-seven million, five hundred twenty-eight thousand, three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •