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212112311232 = 2632773988273
BaseRepresentation
bin1100010110001011100…
…0010000001111000000
3202021111110201211220010
43011202320100033000
511433401222424412
6241235410544520
721216224616513
oct3054270201700
9667443654803
10212112311232
1181a57962978
1235137b98140
1317004818043
14a3a29b6d7a
1557b69cc33c
hex3162e103c0

212112311232 has 56 divisors (see below), whose sum is σ = 563240007376. Its totient is φ = 70448836608.

The previous prime is 212112311171. The next prime is 212112311237. The reversal of 212112311232 is 232113211212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 212112311199 and 212112311208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112311237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940953 + ... + 2047320.

Almost surely, 2212112311232 is an apocalyptic number.

It is an amenable number.

212112311232 is an abundant number, since it is smaller than the sum of its proper divisors (351127696144).

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

212112311232 is a wasteful number, since it uses less digits than its factorization.

212112311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988565 (or 3988555 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 212112311232 its reverse (232113211212), we get a palindrome (444225522444).

The spelling of 212112311232 in words is "two hundred twelve billion, one hundred twelve million, three hundred eleven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 277 554 831 1108 1662 2216 3324 4432 6648 8864 13296 17728 26592 53184 3988273 7976546 11964819 15953092 23929638 31906184 47859276 63812368 95718552 127624736 191437104 255249472 382874208 765748416 1104751621 2209503242 3314254863 4419006484 6628509726 8838012968 13257019452 17676025936 26514038904 35352051872 53028077808 70704103744 106056155616 212112311232