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84138164160 = 2635197444893
BaseRepresentation
bin100111001011100000…
…1100111111111000000
322001011201210121001020
41032113001213333000
52334303332223120
6102352540505440
76036010411101
oct1162701477700
9261151717036
1084138164160
1132756889066
121438184b280
137c1b57006b
1441025b63a8
1522c6936640
hex1397067fc0

84138164160 has 112 divisors (see below), whose sum is σ = 268495308576. Its totient is φ = 22322900992.

The previous prime is 84138164147. The next prime is 84138164183. The reversal of 84138164160 is 6146183148.

It is a super-4 number, since 4×841381641604 (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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, 33327 + ... + 411566.

Almost surely, 284138164160 is an apocalyptic number.

84138164160 is a gapful number since it is divisible by the number (80) 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 84138164160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134247654288).

84138164160 is an abundant number, since it is smaller than the sum of its proper divisors (184357144416).

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

84138164160 is a wasteful number, since it uses less digits than its factorization.

84138164160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445110 (or 445100 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 84138164160 in words is "eighty-four billion, one hundred thirty-eight million, one hundred sixty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 197 240 320 394 480 591 788 960 985 1182 1576 1970 2364 2955 3152 3940 4728 5910 6304 7880 9456 11820 12608 15760 18912 23640 31520 37824 47280 63040 94560 189120 444893 889786 1334679 1779572 2224465 2669358 3559144 4448930 5338716 6673395 7118288 8897860 10677432 13346790 14236576 17795720 21354864 26693580 28473152 35591440 42709728 53387160 71182880 85419456 87643921 106774320 142365760 175287842 213548640 262931763 350575684 427097280 438219605 525863526 701151368 876439210 1051727052 1314658815 1402302736 1752878420 2103454104 2629317630 2804605472 3505756840 4206908208 5258635260 5609210944 7011513680 8413816416 10517270520 14023027360 16827632832 21034541040 28046054720 42069082080 84138164160