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28305555335 = 55661111067
BaseRepresentation
bin11010010111001001…
…000111111110000111
32201001122220012021022
4122113021013332013
5430432210232320
621000422141355
72021303151641
oct322711077607
981048805238
1028305555335
1111005825742
12559b58185b
132891312315
1415273ab891
15b09ec1325
hex697247f87

28305555335 has 4 divisors (see below), whose sum is σ = 33966666408. Its totient is φ = 22644444264.

The previous prime is 28305555329. The next prime is 28305555389. The reversal of 28305555335 is 53355550382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28305555335 - 28 = 28305555079 is a prime.

It is a Duffinian number.

It is a congruent 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, 2830555529 + ... + 2830555538.

It is an arithmetic number, because the mean of its divisors is an integer number (8491666602).

Almost surely, 228305555335 is an apocalyptic number.

28305555335 is a deficient number, since it is larger than the sum of its proper divisors (5661111073).

28305555335 is an equidigital number, since it uses as much as digits as its factorization.

28305555335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661111072.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 28305555335 in words is "twenty-eight billion, three hundred five million, five hundred fifty-five thousand, three hundred thirty-five".

Divisors: 1 5 5661111067 28305555335