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3020212321 = 74211024843
BaseRepresentation
bin1011010000000100…
…1100100001100001
321210111001200102121
42310001030201201
522141133243241
61215405344241
7134562244510
oct26401144141
97714050377
103020212321
11130a916245
12703568081
133919404a9
14209188677
1512a237ad1
hexb404c861

3020212321 has 8 divisors (see below), whose sum is σ = 3459873344. Its totient is φ = 2582601840.

The previous prime is 3020212309. The next prime is 3020212331. The reversal of 3020212321 is 1232120203.

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

It is not a de Polignac number, because 3020212321 - 219 = 3019688033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020212295 and 3020212304.

It is not an unprimeable number, because it can be changed into a prime (3020212331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 509475 + ... + 515368.

It is an arithmetic number, because the mean of its divisors is an integer number (432484168).

Almost surely, 23020212321 is an apocalyptic number.

It is an amenable number.

3020212321 is a deficient number, since it is larger than the sum of its proper divisors (439661023).

3020212321 is a wasteful number, since it uses less digits than its factorization.

3020212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025271.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3020212321 is about 54956.4584102724. The cubic root of 3020212321 is about 1445.4813466461.

Adding to 3020212321 its reverse (1232120203), we get a palindrome (4252332524).

The spelling of 3020212321 in words is "three billion, twenty million, two hundred twelve thousand, three hundred twenty-one".

Divisors: 1 7 421 2947 1024843 7173901 431458903 3020212321