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1230433213321 = 131714939479467
BaseRepresentation
bin10001111001111011100…
…010001101101110001001
311100121222000011112022101
4101321323202031232021
5130124411400311241
62341130405553401
7154616165514334
oct21717342155611
94317860145271
101230433213321
11434907520764
1217a571715861
138c04c64cb40
14437a630161b
1522016888e31
hex11e7b88db89

1230433213321 has 32 divisors (see below), whose sum is σ = 1412951299200. Its totient is φ = 1061418187776.

The previous prime is 1230433213259. The next prime is 1230433213327. The reversal of 1230433213321 is 1233123340321.

It is a cyclic number.

It is not a de Polignac number, because 1230433213321 - 219 = 1230432689033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230433213321.

It is not an unprimeable number, because it can be changed into a prime (1230433213327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129966030 + ... + 129975496.

It is an arithmetic number, because the mean of its divisors is an integer number (44154728100).

Almost surely, 21230433213321 is an apocalyptic number.

It is an amenable number.

1230433213321 is a deficient number, since it is larger than the sum of its proper divisors (182518085879).

1230433213321 is a wasteful number, since it uses less digits than its factorization.

1230433213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1230433213321 its reverse (1233123340321), we get a palindrome (2463556553642).

The spelling of 1230433213321 in words is "one trillion, two hundred thirty billion, four hundred thirty-three million, two hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 13 17 149 221 1937 2533 3947 9467 32929 51311 67099 123071 160939 588103 872287 1410583 2092207 7645339 9997751 18337579 23979911 37366249 129970763 311738843 485761237 635226233 5567571101 8257941029 72378424313 94648708717 1230433213321