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105017318927 = 472234411041
BaseRepresentation
bin110000111001110000…
…1010001111000001111
3101001001211121112220122
41201303201101320033
53210033413201202
6120124433335155
710405266324323
oct1416341217017
9331054545818
10105017318927
11405a05a2074
121842a1074bb
139b98123301
14512354d983
152ae99629a2
hex1873851e0f

105017318927 has 4 divisors (see below), whose sum is σ = 107251730016. Its totient is φ = 102782907840.

The previous prime is 105017318843. The next prime is 105017318953. The reversal of 105017318927 is 729813710501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729813710501 = 1634477384727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105017318927 is a prime.

It is a super-3 number, since 3×1050173189273 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105017518927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117205474 + ... + 1117205567.

It is an arithmetic number, because the mean of its divisors is an integer number (26812932504).

Almost surely, 2105017318927 is an apocalyptic number.

105017318927 is a deficient number, since it is larger than the sum of its proper divisors (2234411089).

105017318927 is an equidigital number, since it uses as much as digits as its factorization.

105017318927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234411088.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 105017318927 in words is "one hundred five billion, seventeen million, three hundred eighteen thousand, nine hundred twenty-seven".

Divisors: 1 47 2234411041 105017318927