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2085860160 = 2634580473
BaseRepresentation
bin111110001010011…
…1011001101000000
312101100220200020000
41330110323031000
513232440011120
6542551120000
7102455342646
oct17424731500
95340820200
102085860160
1198046067a
124a2673000
132731a9ba7
1415b049196
15c31c2990
hex7c53b340

2085860160 has 140 divisors (see below), whose sum is σ = 7419863748. Its totient is φ = 556222464.

The previous prime is 2085860143. The next prime is 2085860167. The reversal of 2085860160 is 610685802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1017354816 + 1068505344 = 31896^2 + 32688^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085860167) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14317 + ... + 66156.

Almost surely, 22085860160 is an apocalyptic number.

2085860160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2085860160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709931874).

2085860160 is an abundant number, since it is smaller than the sum of its proper divisors (5334003588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2085860160 is an equidigital number, since it uses as much as digits as its factorization.

2085860160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80502 (or 80483 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2085860160 is about 45671.2180700274. The cubic root of 2085860160 is about 1277.6985336671.

It can be divided in two parts, 20858 and 60160, that added together give a palindrome (81018).

The spelling of 2085860160 in words is "two billion, eighty-five million, eight hundred sixty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 270 288 320 324 360 405 432 480 540 576 648 720 810 864 960 1080 1296 1440 1620 1728 2160 2592 2880 3240 4320 5184 6480 8640 12960 25920 80473 160946 241419 321892 402365 482838 643784 724257 804730 965676 1207095 1287568 1448514 1609460 1931352 2172771 2414190 2575136 2897028 3218920 3621285 3862704 4345542 4828380 5150272 5794056 6437840 6518313 7242570 7725408 8691084 9656760 10863855 11588112 12875680 13036626 14485140 15450816 17382168 19313520 21727710 23176224 25751360 26073252 28970280 32591565 34764336 38627040 43455420 46352448 52146504 57940560 65183130 69528672 77254080 86910840 104293008 115881120 130366260 139057344 173821680 208586016 231762240 260732520 347643360 417172032 521465040 695286720 1042930080 2085860160