Base | Representation |
---|---|
bin | 1001010010010111011001… |
… | …0011100110011011011100 |
3 | 1100011011200122201210001000 |
4 | 2110211312103212123130 |
5 | 2314244334230042340 |
6 | 33414531424350300 |
7 | 2102505060603411 |
oct | 224456623463334 |
9 | 40134618653030 |
10 | 10211122112220 |
11 | 32875702577a7 |
12 | 118ab98175390 |
13 | 590b9b788493 |
14 | 2743143ca108 |
15 | 12a934a27d30 |
hex | 949764e66dc |
10211122112220 has 96 divisors (see below), whose sum is σ = 31776073056000. Its totient is φ = 2722268388672.
The previous prime is 10211122112203. The next prime is 10211122112273. The reversal of 10211122112220 is 2221122111201.
10211122112220 is a `hidden beast` number, since 1 + 0 + 211 + 1 + 221 + 12 + 220 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 10211122112193 and 10211122112202.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 310170 + ... + 4529729.
It is an arithmetic number, because the mean of its divisors is an integer number (331000761000).
Almost surely, 210211122112220 is an apocalyptic number.
10211122112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10211122112220 is an abundant number, since it is smaller than the sum of its proper divisors (21564950943780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10211122112220 is a wasteful number, since it uses less digits than its factorization.
10211122112220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4843824 (or 4843816 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 10211122112220 its reverse (2221122111201), we get a palindrome (12432244223421).
The spelling of 10211122112220 in words is "ten trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty".
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