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445205056366051 = 6782162171130183
BaseRepresentation
bin110010100111010010110000…
…1001111001010010111100011
32011101100012001212000221121121
41211032211201033022113203
5431323214423412203201
64214512213541233111
7162530001220063312
oct14516454117122743
92141305055027547
10445205056366051
11119946449935043
1241b23880702797
131615586c9313c7
147bd207ad22279
153670c1287d9a1
hex194e9613ca5e3

445205056366051 has 16 divisors (see below), whose sum is σ = 452411025124608. Its totient is φ = 438015616552800.

The previous prime is 445205056365931. The next prime is 445205056366117. The reversal of 445205056366051 is 150663650502544.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-445205056366051 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 445205056366051.

It is not an unprimeable number, because it can be changed into a prime (445205056306051) 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, 3419775106 + ... + 3419905288.

It is an arithmetic number, because the mean of its divisors is an integer number (28275689070288).

Almost surely, 2445205056366051 is an apocalyptic number.

445205056366051 is a deficient number, since it is larger than the sum of its proper divisors (7205968758557).

445205056366051 is a wasteful number, since it uses less digits than its factorization.

445205056366051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193242.

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 445205056366051 in words is "four hundred forty-five trillion, two hundred five billion, fifty-six million, three hundred sixty-six thousand, fifty-one".

Divisors: 1 67 821 55007 62171 130183 4165457 8722261 51042391 106880243 3419840197 7160976281 8093607293 542271688631 6644851587553 445205056366051