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28895679675 = 3252413132323
BaseRepresentation
bin11010111010010100…
…010001010010111011
32202120210022121200100
4122322110101102323
5433134243222200
621135142410443
72042030140032
oct327224212273
982523277610
1028895679675
1111288948905
125725130a23
132956660b15
141581903719
15b41bdcd00
hex6ba5114bb

28895679675 has 36 divisors (see below), whose sum is σ = 53017716024. Its totient is φ = 15035145600.

The previous prime is 28895679649. The next prime is 28895679713. The reversal of 28895679675 is 57697659882.

It is not a de Polignac number, because 28895679675 - 25 = 28895679643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1556937 + ... + 1575386.

It is an arithmetic number, because the mean of its divisors is an integer number (1472714334).

Almost surely, 228895679675 is an apocalyptic number.

28895679675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28895679675 is a deficient number, since it is larger than the sum of its proper divisors (24122036349).

28895679675 is a wasteful number, since it uses less digits than its factorization.

28895679675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132380 (or 3132372 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 28895679675 in words is "twenty-eight billion, eight hundred ninety-five million, six hundred seventy-nine thousand, six hundred seventy-five".

Divisors: 1 3 5 9 15 25 41 45 75 123 205 225 369 615 1025 1845 3075 9225 3132323 9396969 15661615 28190907 46984845 78308075 128425243 140954535 234924225 385275729 642126215 704772675 1155827187 1926378645 3210631075 5779135935 9631893225 28895679675