Base | Representation |
---|---|
bin | 11010111001111011… |
… | …010111001110101011 |
3 | 2202120100000220011120 |
4 | 122321323113032223 |
5 | 433131110303004 |
6 | 21134350430323 |
7 | 2041620504135 |
oct | 327173271653 |
9 | 82510026146 |
10 | 28889150379 |
11 | 112851992a1 |
12 | 5722b023a3 |
13 | 29551b5c2b |
14 | 1580ac4055 |
15 | b4134d3d9 |
hex | 6b9ed73ab |
28889150379 has 8 divisors (see below), whose sum is σ = 40784682960. Its totient is φ = 18126525696.
The previous prime is 28889150341. The next prime is 28889150417. The reversal of 28889150379 is 97305198882.
It is an interprime number because it is at equal distance from previous prime (28889150341) and next prime (28889150417).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28889150379 - 28 = 28889150123 is a prime.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (28889157379) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 283226914 + ... + 283227015.
It is an arithmetic number, because the mean of its divisors is an integer number (5098085370).
Almost surely, 228889150379 is an apocalyptic number.
28889150379 is a deficient number, since it is larger than the sum of its proper divisors (11895532581).
28889150379 is a wasteful number, since it uses less digits than its factorization.
28889150379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 566453949.
The product of its (nonzero) digits is 8709120, while the sum is 60.
The spelling of 28889150379 in words is "twenty-eight billion, eight hundred eighty-nine million, one hundred fifty thousand, three hundred seventy-nine".
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