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28827601360 = 245360345017
BaseRepresentation
bin11010110110010000…
…100100100111010000
32202102001012212210021
4122312100210213100
5433014331220420
621124311313224
72040242366005
oct326620444720
982361185707
1028827601360
111125347a638
12570637b814
132945515bac
1415768618ac
15b3ac417aa
hex6b64249d0

28827601360 has 20 divisors (see below), whose sum is σ = 67024173348. Its totient is φ = 11531040512.

The previous prime is 28827601343. The next prime is 28827601391. The reversal of 28827601360 is 6310672882.

It can be written as a sum of positive squares in 2 ways, for example, as 20047161744 + 8780439616 = 141588^2 + 93704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 180172429 + ... + 180172588.

Almost surely, 228827601360 is an apocalyptic number.

28827601360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28827601360 is an abundant number, since it is smaller than the sum of its proper divisors (38196571988).

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

28827601360 is a wasteful number, since it uses less digits than its factorization.

28827601360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360345030 (or 360345024 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 28827601360 in words is "twenty-eight billion, eight hundred twenty-seven million, six hundred one thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 360345017 720690034 1441380068 1801725085 2882760136 3603450170 5765520272 7206900340 14413800680 28827601360