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212431023332 = 2211339900643
BaseRepresentation
bin1100010111010111100…
…0000010110011100100
3202022022200110002200222
43011311320002303210
511440024320221312
6241331154023512
721230144622353
oct3056570026344
9668280402628
10212431023332
1182100858000
1235206877b98
1317055867c98
14a3d305b99a
1557d4985672
hex3175e02ce4

212431023332 has 24 divisors (see below), whose sum is σ = 408901799712. Its totient is φ = 96559553640.

The previous prime is 212431023323. The next prime is 212431023349. The reversal of 212431023332 is 233320134212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19944998 + ... + 19955645.

It is an arithmetic number, because the mean of its divisors is an integer number (17037574988).

Almost surely, 2212431023332 is an apocalyptic number.

212431023332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212431023332 is a deficient number, since it is larger than the sum of its proper divisors (196470776380).

212431023332 is a wasteful number, since it uses less digits than its factorization.

212431023332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39900680 (or 39900656 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 212431023332 its reverse (233320134212), we get a palindrome (445751157544).

The spelling of 212431023332 in words is "two hundred twelve billion, four hundred thirty-one million, twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 11 22 44 121 242 484 1331 2662 5324 39900643 79801286 159602572 438907073 877814146 1755628292 4827977803 9655955606 19311911212 53107755833 106215511666 212431023332