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85992786205 = 5379148730517
BaseRepresentation
bin101000000010110010…
…0011100100100011101
322012221222121011012121
41100011210130210131
52402103123124310
6103300551502541
76132660423334
oct1200544344435
9265858534177
1085992786205
1133518760057
12147ba987a51
138155876261
14423aa2ad1b
15238467e0da
hex140591c91d

85992786205 has 16 divisors (see below), whose sum is σ = 103536587520. Its totient is φ = 68564325312.

The previous prime is 85992786197. The next prime is 85992786263. The reversal of 85992786205 is 50268729958.

It is a cyclic number.

It is not a de Polignac number, because 85992786205 - 23 = 85992786197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802607 + ... + 2833123.

It is an arithmetic number, because the mean of its divisors is an integer number (6471036720).

Almost surely, 285992786205 is an apocalyptic number.

It is an amenable number.

85992786205 is a deficient number, since it is larger than the sum of its proper divisors (17543801315).

85992786205 is a wasteful number, since it uses less digits than its factorization.

85992786205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32388.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 85992786205 in words is "eighty-five billion, nine hundred ninety-two million, seven hundred eighty-six thousand, two hundred five".

Divisors: 1 5 379 1487 1895 7435 30517 152585 563573 2817865 11565943 45378779 57829715 226893895 17198557241 85992786205