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32330421021 = 310776807007
BaseRepresentation
bin11110000111000010…
…110001001100011101
310002110011101120000210
4132013002301030131
51012203041433041
622504041043033
72223115021143
oct360702611435
9102404346023
1032330421021
1112790752918
126323486479
13308312ba52
1417c9b55593
15c93509016
hex7870b131d

32330421021 has 4 divisors (see below), whose sum is σ = 43107228032. Its totient is φ = 21553614012.

The previous prime is 32330421001. The next prime is 32330421037. The reversal of 32330421021 is 12012403323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32330421021 - 29 = 32330420509 is a prime.

It is a super-2 number, since 2×323304210212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32330421001) 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 3 ways as a sum of consecutive naturals, for example, 5388403501 + ... + 5388403506.

It is an arithmetic number, because the mean of its divisors is an integer number (10776807008).

Almost surely, 232330421021 is an apocalyptic number.

It is an amenable number.

32330421021 is a deficient number, since it is larger than the sum of its proper divisors (10776807011).

32330421021 is a wasteful number, since it uses less digits than its factorization.

32330421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776807010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32330421021 its reverse (12012403323), we get a palindrome (44342824344).

The spelling of 32330421021 in words is "thirty-two billion, three hundred thirty million, four hundred twenty-one thousand, twenty-one".

Divisors: 1 3 10776807007 32330421021