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105318398275 = 524212735931
BaseRepresentation
bin110001000010101110…
…1110011100101000011
3101001211211010222010121
41202011131303211003
53211143002221100
6120214350441111
710415613420556
oct1420535634503
9331754128117
10105318398275
1140735543482
12184b2b03197
139c1560b47c
14515152469d
152b160d651a
hex1885773943

105318398275 has 6 divisors (see below), whose sum is σ = 130594813892. Its totient is φ = 84254718600.

The previous prime is 105318398243. The next prime is 105318398279. The reversal of 105318398275 is 572893813501.

It is not a de Polignac number, because 105318398275 - 25 = 105318398243 is a prime.

It is a super-4 number, since 4×1053183982754 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105318398279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2106367941 + ... + 2106367990.

Almost surely, 2105318398275 is an apocalyptic number.

105318398275 is a deficient number, since it is larger than the sum of its proper divisors (25276415617).

105318398275 is an equidigital number, since it uses as much as digits as its factorization.

105318398275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212735941 (or 4212735936 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 105318398275 in words is "one hundred five billion, three hundred eighteen million, three hundred ninety-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 4212735931 21063679655 105318398275