Base | Representation |
---|---|
bin | 11010001001111010… |
… | …001001011010011011 |
3 | 2200111012002220021202 |
4 | 122021322021122123 |
5 | 430003340302100 |
6 | 20522411224415 |
7 | 2012636011661 |
oct | 321172113233 |
9 | 80435086252 |
10 | 28083525275 |
11 | 10a01466223 |
12 | 553914810b |
13 | 28573138a0 |
14 | 1505ad2c31 |
15 | ae57647d5 |
hex | 689e8969b |
28083525275 has 24 divisors (see below), whose sum is σ = 39708333504. Its totient is φ = 19518681600.
The previous prime is 28083525269. The next prime is 28083525307. The reversal of 28083525275 is 57252538082.
It is not a de Polignac number, because 28083525275 - 24 = 28083525259 is a prime.
It is a Duffinian 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, 2535971 + ... + 2547020.
It is an arithmetic number, because the mean of its divisors is an integer number (1654513896).
Almost surely, 228083525275 is an apocalyptic number.
28083525275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28083525275 is a deficient number, since it is larger than the sum of its proper divisors (11624808229).
28083525275 is a wasteful number, since it uses less digits than its factorization.
28083525275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5083031 (or 5083026 counting only the distinct ones).
The product of its (nonzero) digits is 1344000, while the sum is 47.
The spelling of 28083525275 in words is "twenty-eight billion, eighty-three million, five hundred twenty-five thousand, two hundred seventy-five".
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