Base | Representation |
---|---|
bin | 10100100101011000… |
… | …111110110001011000 |
3 | 2010001100002011000100 |
4 | 110211120332301120 |
5 | 330231122021130 |
6 | 14053101335400 |
7 | 1411466051616 |
oct | 244530766130 |
9 | 63040064010 |
10 | 22102142040 |
11 | 94120a04a0 |
12 | 4349b67560 |
13 | 2113065774 |
14 | 10d956c6b6 |
15 | 8955a7c60 |
hex | 52563ec58 |
22102142040 has 96 divisors (see below), whose sum is σ = 78362154000. Its totient is φ = 5358094080.
The previous prime is 22102141937. The next prime is 22102142047. The reversal of 22102142040 is 4024120122.
22102142040 is a `hidden beast` number, since 221 + 0 + 21 + 420 + 4 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22102142047) 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 23 ways as a sum of consecutive naturals, for example, 2786715 + ... + 2794634.
Almost surely, 222102142040 is an apocalyptic number.
22102142040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22102142040 is an abundant number, since it is smaller than the sum of its proper divisors (56260011960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22102142040 is a wasteful number, since it uses less digits than its factorization.
22102142040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5581377 (or 5581370 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 22102142040 its reverse (4024120122), we get a palindrome (26126262162).
The spelling of 22102142040 in words is "twenty-two billion, one hundred two million, one hundred forty-two thousand, forty".
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