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21410130243 = 323330629657
BaseRepresentation
bin10011111100001001…
…001010100101000011
32001021002221022021210
4103330021022211003
5322321443131433
613500301221203
71355364050535
oct237411124503
961232838253
1021410130243
119097507817
124196261803
132032892328
1410716b3855
15854962463
hex4fc24a943

21410130243 has 8 divisors (see below), whose sum is σ = 28669359888. Its totient is φ = 14212160384.

The previous prime is 21410130233. The next prime is 21410130257. The reversal of 21410130243 is 34203101412.

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 21410130243 - 220 = 21409081667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21410130223) 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, 15314130 + ... + 15315527.

It is an arithmetic number, because the mean of its divisors is an integer number (3583669986).

Almost surely, 221410130243 is an apocalyptic number.

21410130243 is a deficient number, since it is larger than the sum of its proper divisors (7259229645).

21410130243 is a wasteful number, since it uses less digits than its factorization.

21410130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30629893.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21410130243 its reverse (34203101412), we get a palindrome (55613231655).

The spelling of 21410130243 in words is "twenty-one billion, four hundred ten million, one hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 233 699 30629657 91888971 7136710081 21410130243