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28704199353 = 39568066451
BaseRepresentation
bin11010101110111001…
…110101001010111001
32202002110000102001120
4122232321311022321
5432241233334403
621104142335453
72034213445254
oct325671651271
982073012046
1028704199353
111119a854905
125690b8a589
132925a9a65b
1415642dc09b
15b2eeb7e53
hex6aee752b9

28704199353 has 4 divisors (see below), whose sum is σ = 38272265808. Its totient is φ = 19136132900.

The previous prime is 28704199267. The next prime is 28704199367. The reversal of 28704199353 is 35399140782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28704199353 - 29 = 28704198841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28704199296 and 28704199305.

It is not an unprimeable number, because it can be changed into a prime (28704299353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4784033223 + ... + 4784033228.

It is an arithmetic number, because the mean of its divisors is an integer number (9568066452).

Almost surely, 228704199353 is an apocalyptic number.

It is an amenable number.

28704199353 is a deficient number, since it is larger than the sum of its proper divisors (9568066455).

28704199353 is an equidigital number, since it uses as much as digits as its factorization.

28704199353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9568066454.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 28704199353 in words is "twenty-eight billion, seven hundred four million, one hundred ninety-nine thousand, three hundred fifty-three".

Divisors: 1 3 9568066451 28704199353