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2321112320 = 2851813369
BaseRepresentation
bin1000101001011001…
…0101110100000000
312222202120201111222
42022112111310000
514223201043240
61022153254212
7111343062212
oct21226256400
95882521458
102321112320
11a9123104a
12549404368
132acb57957
141803a65b2
15d8b91eb5
hex8a595d00

2321112320 has 36 divisors (see below), whose sum is σ = 5559792420. Its totient is φ = 928444416.

The previous prime is 2321112301. The next prime is 2321112329. The reversal of 2321112320 is 232111232.

It can be written as a sum of positive squares in 2 ways, for example, as 288184576 + 2032927744 = 16976^2 + 45088^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321112329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905405 + ... + 907964.

Almost surely, 22321112320 is an apocalyptic number.

2321112320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321112320 is an abundant number, since it is smaller than the sum of its proper divisors (3238680100).

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

2321112320 is an equidigital number, since it uses as much as digits as its factorization.

2321112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813390 (or 1813376 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321112320 is about 48177.9235750151. The cubic root of 2321112320 is about 1324.0327237313.

Adding to 2321112320 its reverse (232111232), we get a palindrome (2553223552).

The spelling of 2321112320 in words is "two billion, three hundred twenty-one million, one hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 1813369 3626738 7253476 9066845 14506952 18133690 29013904 36267380 58027808 72534760 116055616 145069520 232111232 290139040 464222464 580278080 1160556160 2321112320