Base | Representation |
---|---|
bin | 11010011011001110… |
… | …010011000011001001 |
3 | 2201020102201120112122 |
4 | 122123032103003021 |
5 | 431102222122142 |
6 | 21011305421025 |
7 | 2023064123150 |
oct | 323316230311 |
9 | 81212646478 |
10 | 28374020297 |
11 | 11040438457 |
12 | 55ba49a775 |
13 | 28a256422c |
14 | 1532510597 |
15 | b10ee71d2 |
hex | 69b3930c9 |
28374020297 has 8 divisors (see below), whose sum is σ = 33545640000. Its totient is φ = 23481947664.
The previous prime is 28374020267. The next prime is 28374020299. The reversal of 28374020297 is 79202047382.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28374020297 - 224 = 28357243081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28374020299) by changing a digit.
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, 69886547 + ... + 69886952.
It is an arithmetic number, because the mean of its divisors is an integer number (4193205000).
Almost surely, 228374020297 is an apocalyptic number.
It is an amenable number.
28374020297 is a deficient number, since it is larger than the sum of its proper divisors (5171619703).
28374020297 is a wasteful number, since it uses less digits than its factorization.
28374020297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139773535.
The product of its (nonzero) digits is 338688, while the sum is 44.
The spelling of 28374020297 in words is "twenty-eight billion, three hundred seventy-four million, twenty thousand, two hundred ninety-seven".
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