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2085608173 = 11317186143
BaseRepresentation
bin111110001001111…
…1101101011101101
312101100102212120011
41330103331223231
513232403430143
6542541453221
7102453243205
oct17423755355
95340385504
102085608173
119802a9320
124a2571211
1327311c29c
1415adc1405
15c3172e9d
hex7c4fdaed

2085608173 has 16 divisors (see below), whose sum is σ = 2381709312. Its totient is φ = 1808982000.

The previous prime is 2085608171. The next prime is 2085608177. The reversal of 2085608173 is 3718065802.

It is a cyclic number.

It is not a de Polignac number, because 2085608173 - 21 = 2085608171 is a prime.

It is a super-2 number, since 2×20856081732 = 8699522902568795858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085608171) 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, 18861 + ... + 67282.

It is an arithmetic number, because the mean of its divisors is an integer number (148856832).

Almost surely, 22085608173 is an apocalyptic number.

It is an amenable number.

2085608173 is a deficient number, since it is larger than the sum of its proper divisors (296101139).

2085608173 is a wasteful number, since it uses less digits than its factorization.

2085608173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86256.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2085608173 is about 45668.4592799013. The cubic root of 2085608173 is about 1277.6470798524.

The spelling of 2085608173 in words is "two billion, eighty-five million, six hundred eight thousand, one hundred seventy-three".

Divisors: 1 11 31 71 341 781 2201 24211 86143 947573 2670433 6116153 29374763 67277683 189600743 2085608173