Search a number
-
+
212112013200 = 24352617286483
BaseRepresentation
bin1100010110001011011…
…1000111011110010000
3202021111110011201001220
43011202313013132100
511433401133410300
6241235400325040
721216222235563
oct3054267073620
9667443151056
10212112013200
1181a57779a6a
1235137a73780
13170047424a9
14a3a293a4da
1557b696dda0
hex3162dc7790

212112013200 has 120 divisors (see below), whose sum is σ = 680569098528. Its totient is φ = 56471331840.

The previous prime is 212112013147. The next prime is 212112013213. The reversal of 212112013200 is 2310211212.

212112013200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2121120132002 (a number of 23 digits) contains 22 as substring.

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 212112013200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597159 + ... + 883641.

Almost surely, 2212112013200 is an apocalyptic number.

212112013200 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 212112013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340284549264).

212112013200 is an abundant number, since it is smaller than the sum of its proper divisors (468457085328).

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

212112013200 is a wasteful number, since it uses less digits than its factorization.

212112013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287121 (or 287110 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212112013200 its reverse (2310211212), we get a palindrome (214422224412).

The spelling of 212112013200 in words is "two hundred twelve billion, one hundred twelve million, thirteen thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 617 1200 1234 1851 2468 3085 3702 4936 6170 7404 9255 9872 12340 14808 15425 18510 24680 29616 30850 37020 46275 49360 61700 74040 92550 123400 148080 185100 246800 286483 370200 572966 740400 859449 1145932 1432415 1718898 2291864 2864830 3437796 4297245 4583728 5729660 6875592 7162075 8594490 11459320 13751184 14324150 17188980 21486225 22918640 28648300 34377960 42972450 57296600 68755920 85944900 114593200 171889800 176760011 343779600 353520022 530280033 707040044 883800055 1060560066 1414080088 1767600110 2121120132 2651400165 2828160176 3535200220 4242240264 4419000275 5302800330 7070400440 8484480528 8838000550 10605600660 13257000825 14140800880 17676001100 21211201320 26514001650 35352002200 42422402640 53028003300 70704004400 106056006600 212112013200