Base | Representation |
---|---|
bin | 10010101111111101… |
… | …111100011010011110 |
3 | 1220222001010200010022 |
4 | 102233331330122132 |
5 | 312212310321342 |
6 | 13125405112142 |
7 | 1311615125024 |
oct | 225775743236 |
9 | 56861120108 |
10 | 20132120222 |
11 | 85a1069995 |
12 | 3a9a258652 |
13 | 1b8ab86496 |
14 | d8da78714 |
15 | 7cc6679d2 |
hex | 4aff7c69e |
20132120222 has 32 divisors (see below), whose sum is σ = 32449442400. Its totient is φ = 9333992448.
The previous prime is 20132120221. The next prime is 20132120227. The reversal of 20132120222 is 22202123102.
It is a super-2 number, since 2×201321202222 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 20132120222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132120221) 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, 844604 + ... + 868112.
It is an arithmetic number, because the mean of its divisors is an integer number (1014045075).
Almost surely, 220132120222 is an apocalyptic number.
20132120222 is a deficient number, since it is larger than the sum of its proper divisors (12317322178).
20132120222 is a wasteful number, since it uses less digits than its factorization.
20132120222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23900.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20132120222 its reverse (22202123102), we get a palindrome (42334243324).
The spelling of 20132120222 in words is "twenty billion, one hundred thirty-two million, one hundred twenty thousand, two hundred twenty-two".
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