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2131201003200 = 26352444000209
BaseRepresentation
bin11111000000110101011…
…110101000111011000000
321112202000001200101020220
4133000311132220323000
5234404144424100300
64311021001503040
7306655101426333
oct37006536507300
97482001611226
102131201003200
11751923451445
122a505aaa1a80
13125c821c1b89
147521766a61a
153a6864c8da0
hex1f0357a8ec0

2131201003200 has 84 divisors (see below), whose sum is σ = 6992115307080. Its totient is φ = 568320266240.

The previous prime is 2131201003189. The next prime is 2131201003241. The reversal of 2131201003200 is 23001021312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2131201003200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221995305 + ... + 222004904.

Almost surely, 22131201003200 is an apocalyptic number.

2131201003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131201003200 is an abundant number, since it is smaller than the sum of its proper divisors (4860914303880).

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

2131201003200 is a wasteful number, since it uses less digits than its factorization.

2131201003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444000234 (or 444000219 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2131201003200 its reverse (23001021312), we get a palindrome (2154202024512).

The spelling of 2131201003200 in words is "two trillion, one hundred thirty-one billion, two hundred one million, three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 150 160 192 200 240 300 320 400 480 600 800 960 1200 1600 2400 4800 444000209 888000418 1332000627 1776000836 2220001045 2664001254 3552001672 4440002090 5328002508 6660003135 7104003344 8880004180 10656005016 11100005225 13320006270 14208006688 17760008360 21312010032 22200010450 26640012540 28416013376 33300015675 35520016720 42624020064 44400020900 53280025080 66600031350 71040033440 85248040128 88800041800 106560050160 133200062700 142080066880 177600083600 213120100320 266400125400 355200167200 426240200640 532800250800 710400334400 1065600501600 2131201003200