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85165310395 = 51110115331289
BaseRepresentation
bin100111101010000111…
…1111000000110111011
322010211022120000210101
41033110033320012323
52343404304413040
6103042512100231
76103322123404
oct1172417700673
9263738500711
1085165310395
1133133663250
1214609834677
1380532c32b9
14419cb8c9ab
152336bcb09a
hex13d43f81bb

85165310395 has 16 divisors (see below), whose sum is σ = 112592993760. Its totient is φ = 61325152000.

The previous prime is 85165310393. The next prime is 85165310401. The reversal of 85165310395 is 59301356158.

It is not a de Polignac number, because 85165310395 - 21 = 85165310393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85165310393) 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, 7660090 + ... + 7671199.

It is an arithmetic number, because the mean of its divisors is an integer number (7037062110).

Almost surely, 285165310395 is an apocalyptic number.

85165310395 is a deficient number, since it is larger than the sum of its proper divisors (27427683365).

85165310395 is a wasteful number, since it uses less digits than its factorization.

85165310395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15331406.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 85165310395 in words is "eighty-five billion, one hundred sixty-five million, three hundred ten thousand, three hundred ninety-five".

Divisors: 1 5 11 55 101 505 1111 5555 15331289 76656445 168644179 843220895 1548460189 7742300945 17033062079 85165310395