Base | Representation |
---|---|
bin | 11010011111010001… |
… | …111010010111001010 |
3 | 2201102011210012021010 |
4 | 122133101322113022 |
5 | 431222132422433 |
6 | 21022140224350 |
7 | 2024551443114 |
oct | 323721722712 |
9 | 81364705233 |
10 | 28442076618 |
11 | 110758a114a |
12 | 561923b0b6 |
13 | 28b36a2147 |
14 | 153b5883b4 |
15 | b16e8be63 |
hex | 69f47a5ca |
28442076618 has 8 divisors (see below), whose sum is σ = 56884153248. Its totient is φ = 9480692204.
The previous prime is 28442076583. The next prime is 28442076643. The reversal of 28442076618 is 81667024482.
It is a sphenic number, since it is the product of 3 distinct primes.
28442076618 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370173046 + ... + 2370173057.
It is an arithmetic number, because the mean of its divisors is an integer number (7110519156).
Almost surely, 228442076618 is an apocalyptic number.
28442076618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28442076618 is a wasteful number, since it uses less digits than its factorization.
28442076618 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4740346108.
The product of its (nonzero) digits is 1032192, while the sum is 48.
The spelling of 28442076618 in words is "twenty-eight billion, four hundred forty-two million, seventy-six thousand, six hundred eighteen".
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