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105858252289 = 1759310500769
BaseRepresentation
bin110001010010110100…
…1001011111000000001
3101010020102222101121201
41202211221023320001
53213244203033124
6120344113421201
710435160204146
oct1424551137001
9333212871551
10105858252289
1140992250819
121862386a801
139ca040880a
1451a30d23cd
152b486c3144
hex18a5a4be01

105858252289 has 8 divisors (see below), whose sum is σ = 112274232840. Its totient is φ = 99463274496.

The previous prime is 105858252287. The next prime is 105858252293. The reversal of 105858252289 is 982252858501.

It can be written as a sum of positive squares in 4 ways, for example, as 44940608064 + 60917644225 = 211992^2 + 246815^2 .

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 105858252289 - 21 = 105858252287 is a prime.

It is a super-2 number, since 2×1058582522892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105858252287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5240304 + ... + 5260465.

It is an arithmetic number, because the mean of its divisors is an integer number (14034279105).

Almost surely, 2105858252289 is an apocalyptic number.

It is an amenable number.

105858252289 is a deficient number, since it is larger than the sum of its proper divisors (6415980551).

105858252289 is a wasteful number, since it uses less digits than its factorization.

105858252289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501379.

The product of its (nonzero) digits is 4608000, while the sum is 55.

The spelling of 105858252289 in words is "one hundred five billion, eight hundred fifty-eight million, two hundred fifty-two thousand, two hundred eighty-nine".

Divisors: 1 17 593 10081 10500769 178513073 6226956017 105858252289