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993445040585 = 51912574439137
BaseRepresentation
bin11100111010011011111…
…00000101000111001001
310111222020220002222121102
432131031330011013021
5112234033412244320
62040214330551145
7131526331342124
oct16351574050711
93458226088542
10993445040585
1135335490a968
121406528984b5
13728b224412a
1436123a573bb
151ac9605b175
hexe74df051c9

993445040585 has 32 divisors (see below), whose sum is σ = 1205886154752. Its totient is φ = 785655070720.

The previous prime is 993445040527. The next prime is 993445040633. The reversal of 993445040585 is 585040544399.

It is not a de Polignac number, because 993445040585 - 26 = 993445040521 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 993445040585.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108723137 + ... + 108732273.

It is an arithmetic number, because the mean of its divisors is an integer number (37683942336).

Almost surely, 2993445040585 is an apocalyptic number.

It is an amenable number.

993445040585 is a deficient number, since it is larger than the sum of its proper divisors (212441114167).

993445040585 is a wasteful number, since it uses less digits than its factorization.

993445040585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 993445040585 in words is "nine hundred ninety-three billion, four hundred forty-five million, forty thousand, five hundred eighty-five".

Divisors: 1 5 191 257 443 955 1285 2215 9137 45685 49087 84613 113851 245435 423065 569255 1745167 2348209 4047691 8725835 11741045 20238455 21745541 108727705 448507919 773108981 1040256587 2242539595 3865544905 5201282935 198689008117 993445040585