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2223043212 = 2231316785331
BaseRepresentation
bin1000010010000000…
…1111001010001100
312201221001021222210
42010200033022030
514023044340322
61004331310420
7106042361355
oct20440171214
95657037883
102223043212
11a409392a5
125205ab410
1329573bcb0
14171358d2c
15d026e70c
hex8480f28c

2223043212 has 48 divisors (see below), whose sum is σ = 5619624192. Its totient is φ = 679909440.

The previous prime is 2223043171. The next prime is 2223043243. The reversal of 2223043212 is 2123403222.

It is a super-2 number, since 2×22230432122 = 9883842244838553888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16614 + ... + 68717.

It is an arithmetic number, because the mean of its divisors is an integer number (117075504).

Almost surely, 22223043212 is an apocalyptic number.

It is an amenable number.

2223043212 is an abundant number, since it is smaller than the sum of its proper divisors (3396580980).

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

2223043212 is a wasteful number, since it uses less digits than its factorization.

2223043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85518 (or 85516 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2223043212 is about 47149.1591865645. The cubic root of 2223043212 is about 1305.1165639191.

Adding to 2223043212 its reverse (2123403222), we get a palindrome (4346446434).

The spelling of 2223043212 in words is "two billion, two hundred twenty-three million, forty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 167 334 501 668 1002 2004 2171 4342 6513 8684 13026 26052 85331 170662 255993 341324 511986 1023972 1109303 2218606 3327909 4437212 6655818 13311636 14250277 28500554 42750831 57001108 85501662 171003324 185253601 370507202 555760803 741014404 1111521606 2223043212