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205360353310201 = 17232777189131543
BaseRepresentation
bin101110101100011000101110…
…111010001111010111111001
3222221010020222010002000221221
4232230120232322033113321
5203404111000421411301
62004433124404032041
761153536665552035
oct5654305672172771
9887106863060857
10205360353310201
115a48592278a371
121b048266992621
138a78523b839cb
14389d6cbc911c5
1518b1d62711da1
hexbac62ee8f5f9

205360353310201 has 16 divisors (see below), whose sum is σ = 226976009428224. Its totient is φ = 184810264528384.

The previous prime is 205360353310127. The next prime is 205360353310213. The reversal of 205360353310201 is 102013353063502.

It is a cyclic number.

It is not a de Polignac number, because 205360353310201 - 217 = 205360353179129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205360351310201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93479965 + ... + 95651578.

It is an arithmetic number, because the mean of its divisors is an integer number (14186000589264).

Almost surely, 2205360353310201 is an apocalyptic number.

It is an amenable number.

205360353310201 is a deficient number, since it is larger than the sum of its proper divisors (21615656118023).

205360353310201 is a wasteful number, since it uses less digits than its factorization.

205360353310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189134360.

The product of its (nonzero) digits is 48600, while the sum is 34.

The spelling of 205360353310201 in words is "two hundred five trillion, three hundred sixty billion, three hundred fifty-three million, three hundred ten thousand, two hundred one".

Divisors: 1 17 23 391 2777 47209 63871 1085807 189131543 3215236231 4350025489 73950433313 525218294911 8928711013487 12080020782953 205360353310201