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28982452872 = 2331207602203
BaseRepresentation
bin11010111111011111…
…010010001010001000
32202210211121011010110
4122333133102022020
5433324001442442
621151522314320
72044132533102
oct327737221210
982724534113
1028982452872
111132292589a
12574a1b89a0
13296b6230c9
14158d250572
15b4962d69c
hex6bf7d2288

28982452872 has 16 divisors (see below), whose sum is σ = 72456132240. Its totient is φ = 9660817616.

The previous prime is 28982452871. The next prime is 28982452903. The reversal of 28982452872 is 27825428982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28982452871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603801078 + ... + 603801125.

It is an arithmetic number, because the mean of its divisors is an integer number (4528508265).

Almost surely, 228982452872 is an apocalyptic number.

It is an amenable number.

28982452872 is an abundant number, since it is smaller than the sum of its proper divisors (43473679368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28982452872 is a wasteful number, since it uses less digits than its factorization.

28982452872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207602212 (or 1207602208 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 57.

The spelling of 28982452872 in words is "twenty-eight billion, nine hundred eighty-two million, four hundred fifty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 1207602203 2415204406 3622806609 4830408812 7245613218 9660817624 14491226436 28982452872