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212140542224 = 24131953679287
BaseRepresentation
bin1100010110010010001…
…1111100100100010000
3202021120102212010112102
43011210203330210100
511433430434322344
6241242300015532
721220016566562
oct3054443744420
9667512763472
10212140542224
1181a71895276
12351455315a8
131700a620a80
14a3a6645332
1557b9206e4e
hex31648fc910

212140542224 has 40 divisors (see below), whose sum is σ = 465936219840. Its totient is φ = 92757806208.

The previous prime is 212140542221. The next prime is 212140542301. The reversal of 212140542224 is 422245041212.

It is not an unprimeable number, because it can be changed into a prime (212140542221) 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, 26835692 + ... + 26843595.

It is an arithmetic number, because the mean of its divisors is an integer number (11648405496).

Almost surely, 2212140542224 is an apocalyptic number.

It is an amenable number.

212140542224 is an abundant number, since it is smaller than the sum of its proper divisors (253795677616).

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

212140542224 is a wasteful number, since it uses less digits than its factorization.

212140542224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53679327 (or 53679321 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 212140542224 its reverse (422245041212), we get a palindrome (634385583436).

The spelling of 212140542224 in words is "two hundred twelve billion, one hundred forty million, five hundred forty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 16 19 26 38 52 76 104 152 208 247 304 494 988 1976 3952 53679287 107358574 214717148 429434296 697830731 858868592 1019906453 1395661462 2039812906 2791322924 4079625812 5582645848 8159251624 11165291696 13258783889 16318503248 26517567778 53035135556 106070271112 212140542224