Base | Representation |
---|---|
bin | 11010111111000111… |
… | …111000011111110010 |
3 | 2202210102001111021122 |
4 | 122333013320133302 |
5 | 433320414142300 |
6 | 21151143022242 |
7 | 2044026433352 |
oct | 327707703762 |
9 | 82712044248 |
10 | 28976318450 |
11 | 1131a415a22 |
12 | 574813a982 |
13 | 296a285b81 |
14 | 158c4d4b62 |
15 | b48d1ac85 |
hex | 6bf1f87f2 |
28976318450 has 24 divisors (see below), whose sum is σ = 55634534400. Its totient is φ = 11216638800.
The previous prime is 28976318443. The next prime is 28976318471. The reversal of 28976318450 is 5481367982.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 28976318392 and 28976318401.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9345650 + ... + 9348749.
It is an arithmetic number, because the mean of its divisors is an integer number (2318105600).
It is a 1-persistent number, because it is pandigital, but 2⋅28976318450 = 57952636900 is not.
Almost surely, 228976318450 is an apocalyptic number.
28976318450 is a deficient number, since it is larger than the sum of its proper divisors (26658215950).
28976318450 is a wasteful number, since it uses less digits than its factorization.
28976318450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18694442 (or 18694437 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 53.
The spelling of 28976318450 in words is "twenty-eight billion, nine hundred seventy-six million, three hundred eighteen thousand, four hundred fifty".
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