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105722022011 = 119388618627
BaseRepresentation
bin110001001110110000…
…1100000100001111011
3101002212221122011210212
41202131201200201323
53213004314201021
6120322405501335
710431614234264
oct1423541404173
9332787564725
10105722022011
1140922363a11
12185a611184b
139c7b11b298
14518cd8d96b
152b3b76385b
hex189d86087b

105722022011 has 4 divisors (see below), whose sum is σ = 105810641832. Its totient is φ = 105633402192.

The previous prime is 105722022001. The next prime is 105722022047. The reversal of 105722022011 is 110220227501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110220227501 = 227485551663.

It is a cyclic number.

It is not a de Polignac number, because 105722022011 - 26 = 105722021947 is a prime.

It is a super-2 number, since 2×1057220220112 (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 (105722022001) 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, 44308121 + ... + 44310506.

It is an arithmetic number, because the mean of its divisors is an integer number (26452660458).

Almost surely, 2105722022011 is an apocalyptic number.

105722022011 is a deficient number, since it is larger than the sum of its proper divisors (88619821).

105722022011 is an equidigital number, since it uses as much as digits as its factorization.

105722022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88619820.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 105722022011 its reverse (110220227501), we get a palindrome (215942249512).

The spelling of 105722022011 in words is "one hundred five billion, seven hundred twenty-two million, twenty-two thousand, eleven".

Divisors: 1 1193 88618627 105722022011