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2330331221 = 29677511597
BaseRepresentation
bin1000101011100110…
…0000100001010101
320000101221002110202
42022321200201111
514233031044341
61023123030245
7111514326401
oct21271404125
96011832422
102330331221
11a96458379
1255050b385
132b1a34b1a
141816c6101
15d98b379b
hex8ae60855

2330331221 has 16 divisors (see below), whose sum is σ = 2451459840. Its totient is φ = 2212056000.

The previous prime is 2330331191. The next prime is 2330331259. The reversal of 2330331221 is 1221330332.

It is a cyclic number.

It is not a de Polignac number, because 2330331221 - 214 = 2330314837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2330331193 and 2330331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330331281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458395 + ... + 1459991.

It is an arithmetic number, because the mean of its divisors is an integer number (153216240).

Almost surely, 22330331221 is an apocalyptic number.

It is an amenable number.

2330331221 is a deficient number, since it is larger than the sum of its proper divisors (121128619).

2330331221 is a wasteful number, since it uses less digits than its factorization.

2330331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2330331221 is about 48273.5043372656. The cubic root of 2330331221 is about 1325.7833215121.

Adding to 2330331221 its reverse (1221330332), we get a palindrome (3551661553).

The spelling of 2330331221 in words is "two billion, three hundred thirty million, three hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 29 67 751 1597 1943 21779 46313 50317 106999 1199347 1459193 3102971 34781063 80356249 2330331221