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105050665061 = 313388731131
BaseRepresentation
bin110000111010110000…
…0011111000001100101
3101001011011100201012122
41201311200133001211
53210120432240221
6120132024155325
710406152630346
oct1416540370145
9331134321178
10105050665061
11406083a8561
1218439308b45
139ba1cca354
145127b500cd
152aec84ceab
hex187581f065

105050665061 has 4 divisors (see below), whose sum is σ = 108439396224. Its totient is φ = 101661933900.

The previous prime is 105050664997. The next prime is 105050665067. The reversal of 105050665061 is 160566050501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105050665061 - 26 = 105050664997 is a prime.

It is a super-2 number, since 2×1050506650612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105050665067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694365535 + ... + 1694365596.

It is an arithmetic number, because the mean of its divisors is an integer number (27109849056).

Almost surely, 2105050665061 is an apocalyptic number.

It is an amenable number.

105050665061 is a deficient number, since it is larger than the sum of its proper divisors (3388731163).

105050665061 is an equidigital number, since it uses as much as digits as its factorization.

105050665061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388731162.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 105050665061 in words is "one hundred five billion, fifty million, six hundred sixty-five thousand, sixty-one".

Divisors: 1 31 3388731131 105050665061