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2321011212 = 2231314878277
BaseRepresentation
bin1000101001010111…
…1101001000001100
312222202101120211020
42022111331020030
514223134324322
61022151154140
7111342161352
oct21225751014
95882346736
102321011212
11a91172093
12549375950
132acb20920
1418037b7d2
15d8b7205c
hex8a57d20c

2321011212 has 24 divisors (see below), whose sum is σ = 5832284976. Its totient is φ = 714157248.

The previous prime is 2321011193. The next prime is 2321011223. The reversal of 2321011212 is 2121101232.

It is a junction number, because it is equal to n+sod(n) for n = 2321011191 and 2321011200.

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, 7438983 + ... + 7439294.

It is an arithmetic number, because the mean of its divisors is an integer number (243011874).

Almost surely, 22321011212 is an apocalyptic number.

It is an amenable number.

2321011212 is an abundant number, since it is smaller than the sum of its proper divisors (3511273764).

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

2321011212 is a wasteful number, since it uses less digits than its factorization.

2321011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878297 (or 14878295 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2321011212 is about 48176.8742448075. The cubic root of 2321011212 is about 1324.0134984309.

Adding to 2321011212 its reverse (2121101232), we get a palindrome (4442112444).

The spelling of 2321011212 in words is "two billion, three hundred twenty-one million, eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 14878277 29756554 44634831 59513108 89269662 178539324 193417601 386835202 580252803 773670404 1160505606 2321011212