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2131327200 = 253522338611
BaseRepresentation
bin111111100001001…
…0111100011100000
312111112110122021110
41333002113203200
513331104432300
6551253423320
7103546660632
oct17702274340
95445418243
102131327200
119a4095742
124b593ab40
1327c738c72
141630c2a52
15c71a4550
hex7f0978e0

2131327200 has 144 divisors (see below), whose sum is σ = 7239286656. Its totient is φ = 543628800.

The previous prime is 2131327157. The next prime is 2131327229. The reversal of 2131327200 is 27231312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35895 + ... + 74505.

It is an arithmetic number, because the mean of its divisors is an integer number (50272824).

Almost surely, 22131327200 is an apocalyptic number.

2131327200 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 2131327200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3619643328).

2131327200 is an abundant number, since it is smaller than the sum of its proper divisors (5107959456).

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

2131327200 is a wasteful number, since it uses less digits than its factorization.

2131327200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38657 (or 38644 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2131327200 is about 46166.2993968544. The cubic root of 2131327200 is about 1286.9155319966.

Adding to 2131327200 its reverse (27231312), we get a palindrome (2158558512).

The spelling of 2131327200 in words is "two billion, one hundred thirty-one million, three hundred twenty-seven thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 32 40 46 48 50 60 69 75 80 92 96 100 115 120 138 150 160 184 200 230 240 276 300 345 368 400 460 480 552 575 600 690 736 800 920 1104 1150 1200 1380 1725 1840 2208 2300 2400 2760 3450 3680 4600 5520 6900 9200 11040 13800 18400 27600 38611 55200 77222 115833 154444 193055 231666 308888 386110 463332 579165 617776 772220 888053 926664 965275 1158330 1235552 1544440 1776106 1853328 1930550 2316660 2664159 2895825 3088880 3552212 3706656 3861100 4440265 4633320 5328318 5791650 6177760 7104424 7722200 8880530 9266640 10656636 11583300 13320795 14208848 15444400 17761060 18533280 21313272 22201325 23166600 26641590 28417696 30888800 35522120 42626544 44402650 46333200 53283180 66603975 71044240 85253088 88805300 92666400 106566360 133207950 142088480 177610600 213132720 266415900 355221200 426265440 532831800 710442400 1065663600 2131327200