Base | Representation |
---|---|
bin | 11010000111111100… |
… | …001011010101011101 |
3 | 2200101212222012020201 |
4 | 122013330023111131 |
5 | 424421412044010 |
6 | 20515231343501 |
7 | 2012055225100 |
oct | 320774132535 |
9 | 80355865221 |
10 | 28050503005 |
11 | 10994861098 |
12 | 552a081b91 |
13 | 2850521095 |
14 | 1501578737 |
15 | ae28e023a |
hex | 687f0b55d |
28050503005 has 24 divisors (see below), whose sum is σ = 39220298712. Its totient is φ = 19203149952.
The previous prime is 28050502993. The next prime is 28050503017. The reversal of 28050503005 is 50030505082.
It is an interprime number because it is at equal distance from previous prime (28050502993) and next prime (28050503017).
It can be written as a sum of positive squares in 4 ways, for example, as 4467986649 + 23582516356 = 66843^2 + 153566^2 .
It is not a de Polignac number, because 28050503005 - 227 = 27916285277 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56799 + ... + 243571.
It is an arithmetic number, because the mean of its divisors is an integer number (1634179113).
Almost surely, 228050503005 is an apocalyptic number.
It is an amenable number.
28050503005 is a deficient number, since it is larger than the sum of its proper divisors (11169795707).
28050503005 is a wasteful number, since it uses less digits than its factorization.
28050503005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187405 (or 187398 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 28050503005 in words is "twenty-eight billion, fifty million, five hundred three thousand, five".
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