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28489103584 = 25890284487
BaseRepresentation
bin11010100010000101…
…010011100011100000
32201112110021102010121
4122202011103203200
5431321202303314
621030540210024
72025662246014
oct324205234340
981473242117
1028489103584
111109a3a1207
125630b39914
1328c0359256
14154390a544
15b1b17ad24
hex6a21538e0

28489103584 has 12 divisors (see below), whose sum is σ = 56087922744. Its totient is φ = 14244551776.

The previous prime is 28489103569. The next prime is 28489103609. The reversal of 28489103584 is 48530198482.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445142212 + ... + 445142275.

It is an arithmetic number, because the mean of its divisors is an integer number (4673993562).

Almost surely, 228489103584 is an apocalyptic number.

It is an amenable number.

28489103584 is a deficient number, since it is larger than the sum of its proper divisors (27598819160).

28489103584 is an equidigital number, since it uses as much as digits as its factorization.

28489103584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890284497 (or 890284489 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 28489103584 in words is "twenty-eight billion, four hundred eighty-nine million, one hundred three thousand, five hundred eighty-four".

Divisors: 1 2 4 8 16 32 890284487 1780568974 3561137948 7122275896 14244551792 28489103584