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212344130000 = 245481126183
BaseRepresentation
bin1100010111000010110…
…0100100100111010000
3202022002121221110110102
43011300230210213100
511434340044130000
6241314411351532
721225041216132
oct3056054444720
9668077843412
10212344130000
11820667a8832
12351a17525a8
1317040863102
14a3c56bd052
1557cc01e3d5
hex3170b249d0

212344130000 has 100 divisors (see below), whose sum is σ = 514759949088. Its totient is φ = 84829680000.

The previous prime is 212344129997. The next prime is 212344130021. The reversal of 212344130000 is 31443212.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8096909 + ... + 8123091.

Almost surely, 2212344130000 is an apocalyptic number.

212344130000 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 212344130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257379974544).

212344130000 is an abundant number, since it is smaller than the sum of its proper divisors (302415819088).

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

212344130000 is an equidigital number, since it uses as much as digits as its factorization.

212344130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27022 (or 27001 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212344130000 its reverse (31443212), we get a palindrome (212375573212).

The spelling of 212344130000 in words is "two hundred twelve billion, three hundred forty-four million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 811 1000 1250 1622 2000 2500 3244 4055 5000 6488 8110 10000 12976 16220 20275 26183 32440 40550 52366 64880 81100 101375 104732 130915 162200 202750 209464 261830 324400 405500 418928 506875 523660 654575 811000 1013750 1047320 1309150 1622000 2027500 2094640 2618300 3272875 4055000 5236600 6545750 8110000 10473200 13091500 16364375 21234413 26183000 32728750 42468826 52366000 65457500 84937652 106172065 130915000 169875304 212344130 261830000 339750608 424688260 530860325 849376520 1061720650 1698753040 2123441300 2654301625 4246882600 5308603250 8493765200 10617206500 13271508125 21234413000 26543016250 42468826000 53086032500 106172065000 212344130000