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21332300213 = 717179263027
BaseRepresentation
bin10011110111100000…
…010001000110110101
32001001200111010120002
4103313200101012311
5322142032101323
613444441121045
71353430363040
oct236740210665
961050433502
1021332300213
119057588984
124174189185
13201c711863
141065213c57
1584cbdb828
hex4f78111b5

21332300213 has 8 divisors (see below), whose sum is σ = 25813876032. Its totient is φ = 17209250496.

The previous prime is 21332300207. The next prime is 21332300219. The reversal of 21332300213 is 31200323312.

It is an interprime number because it is at equal distance from previous prime (21332300207) and next prime (21332300219).

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

It is a cyclic number.

It is not a de Polignac number, because 21332300213 - 26 = 21332300149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332300219) 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, 89631395 + ... + 89631632.

It is an arithmetic number, because the mean of its divisors is an integer number (3226734504).

Almost surely, 221332300213 is an apocalyptic number.

It is an amenable number.

21332300213 is a deficient number, since it is larger than the sum of its proper divisors (4481575819).

21332300213 is a wasteful number, since it uses less digits than its factorization.

21332300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179263051.

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

Adding to 21332300213 its reverse (31200323312), we get a palindrome (52532623525).

The spelling of 21332300213 in words is "twenty-one billion, three hundred thirty-two million, three hundred thousand, two hundred thirteen".

Divisors: 1 7 17 119 179263027 1254841189 3047471459 21332300213