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300020213221 = 2631171974177
BaseRepresentation
bin1000101110110101001…
…10010010010111100101
31001200101220221222001221
410113122212102113211
514403420133310341
6345454414220341
730450531510121
oct4273246222745
91050356858057
10300020213221
11106268652843
124a1901b46b1
13223a40880b1
1410741ac4581
157c0e352ed1
hex45da9925e5

300020213221 has 8 divisors (see below), whose sum is σ = 301418466624. Its totient is φ = 298623911040.

The previous prime is 300020213201. The next prime is 300020213239. The reversal of 300020213221 is 122312020003.

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 300020213221 - 25 = 300020213189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300020213195 and 300020213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020213201) 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, 179116 + ... + 795061.

It is an arithmetic number, because the mean of its divisors is an integer number (37677308328).

Almost surely, 2300020213221 is an apocalyptic number.

It is an amenable number.

300020213221 is a deficient number, since it is larger than the sum of its proper divisors (1398253403).

300020213221 is a wasteful number, since it uses less digits than its factorization.

300020213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975611.

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

Adding to 300020213221 its reverse (122312020003), we get a palindrome (422332233224).

The spelling of 300020213221 in words is "three hundred billion, twenty million, two hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 263 1171 307973 974177 256208551 1140761267 300020213221