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28614900443 = 4347130110883
BaseRepresentation
bin11010101001100101…
…001011101011011011
32201212012222112222112
4122221211023223123
5432100403303233
621051232342535
72032050432503
oct325145135333
981765875875
1028614900443
1111154402258
1256670a4a4b
13291043286c
1415564d4a03
15b27229048
hex6a994badb

28614900443 has 16 divisors (see below), whose sum is σ = 29929084416. Its totient is φ = 27331231200.

The previous prime is 28614900439. The next prime is 28614900451. The reversal of 28614900443 is 34400941682.

It is a cyclic number.

It is not a de Polignac number, because 28614900443 - 22 = 28614900439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28614900443.

It is not an unprimeable number, because it can be changed into a prime (28614909443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623880 + ... + 2634762.

It is an arithmetic number, because the mean of its divisors is an integer number (1870567776).

Almost surely, 228614900443 is an apocalyptic number.

28614900443 is a deficient number, since it is larger than the sum of its proper divisors (1314183973).

28614900443 is a wasteful number, since it uses less digits than its factorization.

28614900443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12274.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 28614900443 in words is "twenty-eight billion, six hundred fourteen million, nine hundred thousand, four hundred forty-three".

Divisors: 1 43 47 1301 2021 10883 55943 61147 467969 511501 2629321 14158783 21994543 608827669 665462801 28614900443