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2309332661 = 79237112329
BaseRepresentation
bin1000100110100101…
…1001111010110101
312221221102020212022
42021221121322311
514212142121121
61021053002525
7111141001166
oct21151317265
95857366768
102309332661
11a85615899
12545483445
132aa59203c
1417c9bb76d
15d7b16aab
hex89a59eb5

2309332661 has 8 divisors (see below), whose sum is σ = 2339740800. Its totient is φ = 2278954080.

The previous prime is 2309332643. The next prime is 2309332679. The reversal of 2309332661 is 1662339032.

It is an interprime number because it is at equal distance from previous prime (2309332643) and next prime (2309332679).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2309332661 - 222 = 2305138357 is a prime.

It is a super-3 number, since 3×23093326613 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309332601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181145 + ... + 193473.

It is an arithmetic number, because the mean of its divisors is an integer number (292467600).

Almost surely, 22309332661 is an apocalyptic number.

It is an amenable number.

2309332661 is a deficient number, since it is larger than the sum of its proper divisors (30408139).

2309332661 is a wasteful number, since it uses less digits than its factorization.

2309332661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 2309332661 is about 48055.5164471260. The cubic root of 2309332661 is about 1321.7890992890.

The spelling of 2309332661 in words is "two billion, three hundred nine million, three hundred thirty-two thousand, six hundred sixty-one".

Divisors: 1 79 2371 12329 187309 973991 29232059 2309332661