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204230344300321 = 3123986233196703
BaseRepresentation
bin101110011011111100010101…
…000111111101011100100001
3222210010020012211202121121211
4232123330111013331130201
5203232102221120102241
62002210042553150121
761006104214501543
oct5633742507753441
9883106184677554
10204230344300321
115a08a66a0a1069
121aaa52610bb341
1389c5ab9baa671
143860b310b5693
151892777457781
hexb9bf151fd721

204230344300321 has 16 divisors (see below), whose sum is σ = 211725122273280. Its totient is φ = 196792427558160.

The previous prime is 204230344300049. The next prime is 204230344300327. The reversal of 204230344300321 is 123003443032402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204230344300321 - 225 = 204230310745889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204230344300327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62289456 + ... + 65486158.

It is an arithmetic number, because the mean of its divisors is an integer number (13232820142080).

Almost surely, 2204230344300321 is an apocalyptic number.

It is an amenable number.

204230344300321 is a deficient number, since it is larger than the sum of its proper divisors (7494777972959).

204230344300321 is a wasteful number, since it uses less digits than its factorization.

204230344300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205596.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 204230344300321 its reverse (123003443032402), we get a palindrome (327233787332723).

The spelling of 204230344300321 in words is "two hundred four trillion, two hundred thirty billion, three hundred forty-four million, three hundred thousand, three hundred twenty-one".

Divisors: 1 31 239 7409 8623 267313 2060897 3196703 63887807 99097793 764012017 23684372527 27565169969 854520269039 6588075622591 204230344300321