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18241840328211 = 328007725311527
BaseRepresentation
bin1000010010111010000100…
…11010011010111000010011
32101120220101012212020101200
410021131002122122320103
54342333242111000321
6102444104042402243
73561633544261653
oct411350232327023
971526335766350
1018241840328211
1158a33593352a5
122067483500383
13a242764911b6
14470ca4630363
152197a3686d26
hex10974269ae13

18241840328211 has 12 divisors (see below), whose sum is σ = 26349655009392. Its totient is φ = 12161074535856.

The previous prime is 18241840328189. The next prime is 18241840328221. The reversal of 18241840328211 is 11282304814281.

18241840328211 is a `hidden beast` number, since 1 + 8 + 2 + 4 + 1 + 8 + 403 + 28 + 211 = 666.

It is not a de Polignac number, because 18241840328211 - 29 = 18241840327699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18241840328221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11935071 + ... + 13376456.

It is an arithmetic number, because the mean of its divisors is an integer number (2195804584116).

Almost surely, 218241840328211 is an apocalyptic number.

18241840328211 is a deficient number, since it is larger than the sum of its proper divisors (8107814681181).

18241840328211 is a wasteful number, since it uses less digits than its factorization.

18241840328211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25391610 (or 25391607 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 18241840328211 in words is "eighteen trillion, two hundred forty-one billion, eight hundred forty million, three hundred twenty-eight thousand, two hundred eleven".

Divisors: 1 3 9 80077 240231 720693 25311527 75934581 227803743 2026871147579 6080613442737 18241840328211