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212333312120 = 23519214704523
BaseRepresentation
bin1100010111000000001…
…1010011100001111000
3202022001212120212010012
43011300003103201320
511434324311441440
6241313343441052
721224550242126
oct3056003234170
9668055525105
10212333312120
118206068a136
1235199bb6188
131703b5461b7
14a3c40a4916
1557cb0d3e65
hex31700d3878

212333312120 has 48 divisors (see below), whose sum is σ = 504218127960. Its totient is φ = 80463144384.

The previous prime is 212333312119. The next prime is 212333312131. The reversal of 212333312120 is 21213333212.

It is a congruent number.

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, 7337822 + ... + 7366701.

Almost surely, 2212333312120 is an apocalyptic number.

212333312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212333312120 is an abundant number, since it is smaller than the sum of its proper divisors (291884815840).

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

212333312120 is a wasteful number, since it uses less digits than its factorization.

212333312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14704572 (or 14704549 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212333312120 its reverse (21213333212), we get a palindrome (233546645332).

The spelling of 212333312120 in words is "two hundred twelve billion, three hundred thirty-three million, three hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 361 380 722 760 1444 1805 2888 3610 7220 14440 14704523 29409046 58818092 73522615 117636184 147045230 279385937 294090460 558771874 588180920 1117543748 1396929685 2235087496 2793859370 5308332803 5587718740 10616665606 11175437480 21233331212 26541664015 42466662424 53083328030 106166656060 212333312120