Base | Representation |
---|---|
bin | 101010011011101001… |
… | …0111011011011100111 |
3 | 22201012110011100010010 |
4 | 1110313102323123213 |
5 | 2443104214201434 |
6 | 105505541101303 |
7 | 6404042260032 |
oct | 1246722733347 |
9 | 281173140103 |
10 | 91122022119 |
11 | 357100079a7 |
12 | 157b06b7833 |
13 | 87924138ab |
14 | 45a5d30019 |
15 | 2584b129e9 |
hex | 15374bb6e7 |
91122022119 has 16 divisors (see below), whose sum is σ = 127897479680. Its totient is φ = 57547635840.
The previous prime is 91122022087. The next prime is 91122022141.
91122022119 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 91122022119 - 25 = 91122022087 is a prime.
It is a super-2 number, since 2×911220221192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (91122022169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494114 + ... + 1553904.
It is an arithmetic number, because the mean of its divisors is an integer number (7993592480).
Almost surely, 291122022119 is an apocalyptic number.
91122022119 is a deficient number, since it is larger than the sum of its proper divisors (36775457561).
91122022119 is a wasteful number, since it uses less digits than its factorization.
91122022119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86550.
The product of its (nonzero) digits is 1296, while the sum is 30.
It can be divided in two parts, 911220 and 22119, that added together give a palindrome (933339).
The spelling of 91122022119 in words is "ninety-one billion, one hundred twenty-two million, twenty-two thousand, one hundred nineteen".
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