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204443101320401 = 1731478253990929
BaseRepresentation
bin101110011111000010011110…
…011011100101010011010001
3222210212120101020122001210102
4232133002132123211103101
5203244043432414223101
62002451510354342145
761030345431360116
oct5637023633452321
9883776336561712
10204443101320401
115a161917969269
121ab1a538b8a955
138a0cb95146218
14386b15555290d
15189807a83486b
hexb9f09e6e54d1

204443101320401 has 16 divisors (see below), whose sum is σ = 228206341232640. Its totient is φ = 182248119690240.

The previous prime is 204443101320343. The next prime is 204443101320407. The reversal of 204443101320401 is 104023101344402.

It is a cyclic number.

It is not a de Polignac number, because 204443101320401 - 222 = 204443097126097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204443101320407) 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, 4126970696 + ... + 4127020233.

It is an arithmetic number, because the mean of its divisors is an integer number (14262896327040).

Almost surely, 2204443101320401 is an apocalyptic number.

It is an amenable number.

204443101320401 is a deficient number, since it is larger than the sum of its proper divisors (23763239912239).

204443101320401 is a wasteful number, since it uses less digits than its factorization.

204443101320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253991024.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 204443101320401 its reverse (104023101344402), we get a palindrome (308466202664803).

The spelling of 204443101320401 in words is "two hundred four trillion, four hundred forty-three billion, one hundred one million, three hundred twenty thousand, four hundred one".

Divisors: 1 17 31 47 527 799 1457 24769 8253990929 140317845793 255873718799 387937573663 4349853219583 6594938752271 12026064783553 204443101320401