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21330222301 = 192477453227
BaseRepresentation
bin10011110111011000…
…010101110011011101
32001001112120120012101
4103313120111303131
5322141014103201
613444324405101
71353403620013
oct236730256335
961045516171
1021330222301
1190563997a3
124173546791
13201c164b1b
141064c328b3
1584c92ad01
hex4f7615cdd

21330222301 has 8 divisors (see below), whose sum is σ = 22461979680. Its totient is φ = 20199376368.

The previous prime is 21330222293. The next prime is 21330222307. The reversal of 21330222301 is 10322203312.

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

It is not a de Polignac number, because 21330222301 - 23 = 21330222293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330222307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179551 + ... + 273676.

It is an arithmetic number, because the mean of its divisors is an integer number (2807747460).

Almost surely, 221330222301 is an apocalyptic number.

It is an amenable number.

21330222301 is a deficient number, since it is larger than the sum of its proper divisors (1131757379).

21330222301 is a wasteful number, since it uses less digits than its factorization.

21330222301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455723.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21330222301 its reverse (10322203312), we get a palindrome (31652425613).

The spelling of 21330222301 in words is "twenty-one billion, three hundred thirty million, two hundred twenty-two thousand, three hundred one".

Divisors: 1 19 2477 47063 453227 8611313 1122643279 21330222301