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21230303322 = 233538383887
BaseRepresentation
bin10011110001011011…
…001011100001011010
32000210120120011010110
4103301123023201122
5321434424201242
613430355025150
71351051413024
oct236133134132
960716504113
1021230303322
119004a53128
124145b9b1b6
13200454c177
141055863014
15843c9039c
hex4f16cb85a

21230303322 has 8 divisors (see below), whose sum is σ = 42460606656. Its totient is φ = 7076767772.

The previous prime is 21230303279. The next prime is 21230303327. The reversal of 21230303322 is 22330303212.

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

21230303322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21230303327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769191938 + ... + 1769191949.

It is an arithmetic number, because the mean of its divisors is an integer number (5307575832).

Almost surely, 221230303322 is an apocalyptic number.

21230303322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21230303322 is a wasteful number, since it uses less digits than its factorization.

21230303322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538383892.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21230303322 its reverse (22330303212), we get a palindrome (43560606534).

The spelling of 21230303322 in words is "twenty-one billion, two hundred thirty million, three hundred three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 3538383887 7076767774 10615151661 21230303322