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2123231202000 = 243253117957289
BaseRepresentation
bin11110111001011010011…
…100010000101011010000
321111222102122002112022200
4132321122130100223100
5234241334141431000
64303222101203200
7306253435303326
oct36713234205320
97458378075280
102123231202000
1174950372a887
122a35b5a00500
131252b1cc338c
1474a9cdc3d16
153a36b996500
hex1ee5a710ad0

2123231202000 has 120 divisors (see below), whose sum is σ = 7415738907720. Its totient is φ = 566194982400.

The previous prime is 2123231201953. The next prime is 2123231202013. The reversal of 2123231202000 is 2021323212.

2123231202000 is a `hidden beast` number, since 21 + 2 + 323 + 120 + 200 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59089831056 + 2064141370944 = 243084^2 + 1436712^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×21232312020002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 58960645 + ... + 58996644.

It is an arithmetic number, because the mean of its divisors is an integer number (61797824231).

Almost surely, 22123231202000 is an apocalyptic number.

2123231202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123231202000 is an abundant number, since it is smaller than the sum of its proper divisors (5292507705720).

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

2123231202000 is a wasteful number, since it uses less digits than its factorization.

2123231202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117957318 (or 117957299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2123231202000 its reverse (2021323212), we get a palindrome (2125252525212).

The spelling of 2123231202000 in words is "two trillion, one hundred twenty-three billion, two hundred thirty-one million, two hundred two thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 720 750 900 1000 1125 1200 1500 1800 2000 2250 3000 3600 4500 6000 9000 18000 117957289 235914578 353871867 471829156 589786445 707743734 943658312 1061615601 1179572890 1415487468 1769359335 1887316624 2123231202 2359145780 2830974936 2948932225 3538718670 4246462404 4718291560 5308078005 5661949872 5897864450 7077437340 8492924808 8846796675 9436583120 10616156010 11795728900 14154874680 14744661125 16985849616 17693593350 21232312020 23591457800 26540390025 28309749360 29489322250 35387186700 42464624040 44233983375 47182915600 53080780050 58978644500 70774373400 84929248080 88467966750 106161560100 117957289000 132701950125 141548746800 176935933500 212323120200 235914578000 265403900250 353871867000 424646240400 530807800500 707743734000 1061615601000 2123231202000