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21241213022 = 283912658649
BaseRepresentation
bin10011110010000100…
…110011000001011110
32000211100002102102102
4103302010303001132
5322000222304042
613431424525102
71351243221521
oct236204630136
960740072372
1021241213022
119010124807
124149780792
13200689bb03
1410570a2bb8
15844be7b32
hex4f213305e

21241213022 has 8 divisors (see below), whose sum is σ = 31899798000. Its totient is φ = 10607947024.

The previous prime is 21241213013. The next prime is 21241213031. The reversal of 21241213022 is 22031214212.

It is an interprime number because it is at equal distance from previous prime (21241213013) and next prime (21241213031).

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

It is a junction number, because it is equal to n+sod(n) for n = 21241212985 and 21241213003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6327647 + ... + 6331002.

It is an arithmetic number, because the mean of its divisors is an integer number (3987474750).

Almost surely, 221241213022 is an apocalyptic number.

21241213022 is a deficient number, since it is larger than the sum of its proper divisors (10658584978).

21241213022 is a wasteful number, since it uses less digits than its factorization.

21241213022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659490.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21241213022 its reverse (22031214212), we get a palindrome (43272427234).

The spelling of 21241213022 in words is "twenty-one billion, two hundred forty-one million, two hundred thirteen thousand, twenty-two".

Divisors: 1 2 839 1678 12658649 25317298 10620606511 21241213022