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2131068127200 = 253524649190997
BaseRepresentation
bin11111000000101101100…
…011110000011111100000
321112201122210122120122120
4133000231203300133200
5234403411420032300
64310555453504240
7306651566126625
oct37005543603740
97481583576576
102131068127200
11751865445771
122a50224a2080
13125c6080a31c
1475203b5c34c
153a6799cd3a0
hex1f02d8f07e0

2131068127200 has 144 divisors (see below), whose sum is σ = 6938155148400. Its totient is φ = 568159621120.

The previous prime is 2131068127189. The next prime is 2131068127207. The reversal of 2131068127200 is 27218601312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131068127207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11062102 + ... + 11253098.

It is an arithmetic number, because the mean of its divisors is an integer number (48181632975).

Almost surely, 22131068127200 is an apocalyptic number.

2131068127200 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 2131068127200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3469077574200).

2131068127200 is an abundant number, since it is smaller than the sum of its proper divisors (4807087021200).

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

2131068127200 is a wasteful number, since it uses less digits than its factorization.

2131068127200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195669 (or 195656 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 2131068127200 in words is "two trillion, one hundred thirty-one billion, sixty-eight million, one hundred twenty-seven thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 4649 9298 13947 18596 23245 27894 37192 46490 55788 69735 74384 92980 111576 116225 139470 148768 185960 190997 223152 232450 278940 348675 371920 381994 446304 464900 557880 572991 697350 743840 763988 929800 954985 1115760 1145982 1394700 1527976 1859600 1909970 2231520 2291964 2789400 2864955 3055952 3719200 3819940 4583928 4774925 5578800 5729910 6111904 7639880 9167856 9549850 11157600 11459820 14324775 15279760 18335712 19099700 22919640 28649550 30559520 38199400 45839280 57299100 76398800 91678560 114598200 152797600 229196400 458392800 887945053 1775890106 2663835159 3551780212 4439725265 5327670318 7103560424 8879450530 10655340636 13319175795 14207120848 17758901060 21310681272 22198626325 26638351590 28414241696 35517802120 42621362544 44397252650 53276703180 66595878975 71035604240 85242725088 88794505300 106553406360 133191757950 142071208480 177589010600 213106812720 266383515900 355178021200 426213625440 532767031800 710356042400 1065534063600 2131068127200