Base | Representation |
---|---|
bin | 11010001001110010… |
… | …010100010111101100 |
3 | 2200111001020122002201 |
4 | 122021302110113230 |
5 | 430002324114004 |
6 | 20522255231244 |
7 | 2012612403454 |
oct | 321162242754 |
9 | 80431218081 |
10 | 28081473004 |
11 | 10a00294332 |
12 | 5538518524 |
13 | 2856a75720 |
14 | 150571ad64 |
15 | ae54ab6a4 |
hex | 689c945ec |
28081473004 has 24 divisors (see below), whose sum is σ = 52933992048. Its totient is φ = 12957933120.
The previous prime is 28081472983. The next prime is 28081473019. The reversal of 28081473004 is 40037418082.
It is an unprimeable number.
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, 201654 + ... + 311170.
It is an arithmetic number, because the mean of its divisors is an integer number (2205583002).
Almost surely, 228081473004 is an apocalyptic number.
It is an amenable number.
28081473004 is a deficient number, since it is larger than the sum of its proper divisors (24852519044).
28081473004 is a wasteful number, since it uses less digits than its factorization.
28081473004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114465 (or 114463 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 37.
The spelling of 28081473004 in words is "twenty-eight billion, eighty-one million, four hundred seventy-three thousand, four".
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