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118405011017 = 1731709400481
BaseRepresentation
bin110111001000101111…
…1010001011001001001
3102022121211220202221102
41232101133101121021
53414443140323032
6130221114151145
711361120662516
oct1562137213111
9368554822842
10118405011017
11462405a6307
121ab457224b5
13b21c9173c7
145a3359830d
15312ee46362
hex1b917d1649

118405011017 has 8 divisors (see below), whose sum is σ = 119159414280. Its totient is φ = 117651412480.

The previous prime is 118405011013. The next prime is 118405011019. The reversal of 118405011017 is 710110504811.

It can be written as a sum of positive squares in 4 ways, for example, as 40624821136 + 77780189881 = 201556^2 + 278891^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 118405011017 - 22 = 118405011013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118405011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95417 + ... + 495897.

It is an arithmetic number, because the mean of its divisors is an integer number (14894926785).

Almost surely, 2118405011017 is an apocalyptic number.

It is an amenable number.

118405011017 is a deficient number, since it is larger than the sum of its proper divisors (754403263).

118405011017 is a wasteful number, since it uses less digits than its factorization.

118405011017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402363.

The product of its (nonzero) digits is 1120, while the sum is 29.

Adding to 118405011017 its reverse (710110504811), we get a palindrome (828515515828).

The spelling of 118405011017 in words is "one hundred eighteen billion, four hundred five million, eleven thousand, seventeen".

Divisors: 1 173 1709 295657 400481 69283213 684422029 118405011017