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85392664810 = 25172412084273
BaseRepresentation
bin100111110000111001…
…1001010100011101010
322011102011100211102021
41033201303022203222
52344341010233220
6103121233055054
76112052450305
oct1174163124352
9264364324367
1085392664810
113323aa29a62
12146719b748a
13808b43733b
1441c1051b3c
15234bb3a4aa
hex13e1cca8ea

85392664810 has 32 divisors (see below), whose sum is σ = 163423755792. Its totient is φ = 32014417920.

The previous prime is 85392664807. The next prime is 85392664813. The reversal of 85392664810 is 1846629358.

It is an interprime number because it is at equal distance from previous prime (85392664807) and next prime (85392664813).

It can be written as a sum of positive squares in 8 ways, for example, as 31523647401 + 53869017409 = 177549^2 + 232097^2 .

It is a super-2 number, since 2×853926648102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85392664813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001167 + ... + 1083106.

Almost surely, 285392664810 is an apocalyptic number.

85392664810 is a deficient number, since it is larger than the sum of its proper divisors (78031090982).

85392664810 is a wasteful number, since it uses less digits than its factorization.

85392664810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084538.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 85392664810 in words is "eighty-five billion, three hundred ninety-two million, six hundred sixty-four thousand, eight hundred ten".

Divisors: 1 2 5 10 17 34 85 170 241 482 1205 2410 4097 8194 20485 40970 2084273 4168546 10421365 20842730 35432641 70865282 177163205 354326410 502309793 1004619586 2511548965 5023097930 8539266481 17078532962 42696332405 85392664810