Search a number
-
+
105065048842 = 2134040963417
BaseRepresentation
bin110000111011001011…
…1010110101100001010
3101001012011102111001021
41201312113112230022
53210133123030332
6120133300343054
710406416115515
oct1416627265412
9331164374037
10105065048842
1140615532286
12184420a4a8a
139ba4c95370
145129a15d7c
152aedc3ec97
hex18765d6b0a

105065048842 has 8 divisors (see below), whose sum is σ = 169720463556. Its totient is φ = 48491560992.

The previous prime is 105065048839. The next prime is 105065048849. The reversal of 105065048842 is 248840560501.

It can be written as a sum of positive squares in 2 ways, for example, as 87261750801 + 17803298041 = 295401^2 + 133429^2 .

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

It is a super-3 number, since 3×1050650488423 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (105065048849) 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 3 ways as a sum of consecutive naturals, for example, 2020481683 + ... + 2020481734.

Almost surely, 2105065048842 is an apocalyptic number.

105065048842 is a deficient number, since it is larger than the sum of its proper divisors (64655414714).

105065048842 is a wasteful number, since it uses less digits than its factorization.

105065048842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040963432.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 105065048842 in words is "one hundred five billion, sixty-five million, forty-eight thousand, eight hundred forty-two".

Divisors: 1 2 13 26 4040963417 8081926834 52532524421 105065048842