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105442242171 = 375021059151
BaseRepresentation
bin110001000110011011…
…0001110111001111011
3101002011110011220000120
41202030312032321323
53211421203222141
6120234533104323
710421646161520
oct1421466167173
9332143156016
10105442242171
1140799440202
12185284880a3
139c3517cb96
145163b61147
152b21deac66
hex188cd8ee7b

105442242171 has 8 divisors (see below), whose sum is σ = 160673892864. Its totient is φ = 60252709800.

The previous prime is 105442242089. The next prime is 105442242193. The reversal of 105442242171 is 171242244501.

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

It is not a de Polignac number, because 105442242171 - 29 = 105442241659 is a prime.

It is a super-2 number, since 2×1054422421712 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105442240171) 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, 2510529555 + ... + 2510529596.

It is an arithmetic number, because the mean of its divisors is an integer number (20084236608).

Almost surely, 2105442242171 is an apocalyptic number.

105442242171 is a deficient number, since it is larger than the sum of its proper divisors (55231650693).

105442242171 is an equidigital number, since it uses as much as digits as its factorization.

105442242171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021059161.

The product of its (nonzero) digits is 17920, while the sum is 33.

Adding to 105442242171 its reverse (171242244501), we get a palindrome (276684486672).

The spelling of 105442242171 in words is "one hundred five billion, four hundred forty-two million, two hundred forty-two thousand, one hundred seventy-one".

Divisors: 1 3 7 21 5021059151 15063177453 35147414057 105442242171