Base | Representation |
---|---|
bin | 10100100111001000… |
… | …010000110111011110 |
3 | 2010010100222020121120 |
4 | 110213020100313132 |
5 | 330311104023032 |
6 | 14100022511410 |
7 | 1412302031520 |
oct | 244710206736 |
9 | 63110866546 |
10 | 22131314142 |
11 | 9427605973 |
12 | 4357895566 |
13 | 211910a972 |
14 | 10dd3a3a10 |
15 | 897e1b62c |
hex | 527210dde |
22131314142 has 16 divisors (see below), whose sum is σ = 50585860992. Its totient is φ = 6323232600.
The previous prime is 22131314131. The next prime is 22131314147. The reversal of 22131314142 is 24141313122.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22131314147) 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 7 ways as a sum of consecutive naturals, for example, 263467984 + ... + 263468067.
It is an arithmetic number, because the mean of its divisors is an integer number (3161616312).
Almost surely, 222131314142 is an apocalyptic number.
22131314142 is an abundant number, since it is smaller than the sum of its proper divisors (28454546850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22131314142 is a wasteful number, since it uses less digits than its factorization.
22131314142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526936063.
The product of its digits is 1152, while the sum is 24.
Adding to 22131314142 its reverse (24141313122), we get a palindrome (46272627264).
The spelling of 22131314142 in words is "twenty-two billion, one hundred thirty-one million, three hundred fourteen thousand, one hundred forty-two".
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