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21130024214 = 213812693239
BaseRepresentation
bin10011101011011100…
…101001010100010110
32000112120212110001102
4103223130221110112
5321233241233324
613412413430102
71345423146065
oct235334512426
960476773042
1021130024214
118a63390a32
12411849b332
131cb983b610
1410463dc1dc
1583a082dae
hex4eb729516

21130024214 has 8 divisors (see below), whose sum is σ = 34133116080. Its totient is φ = 9752318856.

The previous prime is 21130024213. The next prime is 21130024231. The reversal of 21130024214 is 41242003112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130024211) 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, 406346594 + ... + 406346645.

It is an arithmetic number, because the mean of its divisors is an integer number (4266639510).

Almost surely, 221130024214 is an apocalyptic number.

21130024214 is a deficient number, since it is larger than the sum of its proper divisors (13003091866).

21130024214 is a wasteful number, since it uses less digits than its factorization.

21130024214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812693254.

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

Adding to 21130024214 its reverse (41242003112), we get a palindrome (62372027326).

The spelling of 21130024214 in words is "twenty-one billion, one hundred thirty million, twenty-four thousand, two hundred fourteen".

Divisors: 1 2 13 26 812693239 1625386478 10565012107 21130024214