Base | Representation |
---|---|
bin | 1011101101001110110… |
… | …0110110000111111100 |
3 | 201020010102012222200002 |
4 | 2323103230312013330 |
5 | 11243343240303340 |
6 | 232220544453432 |
7 | 20346642604100 |
oct | 2732354660774 |
9 | 636112188602 |
10 | 201120244220 |
11 | 78327153275 |
12 | 32b8a91a278 |
13 | 15c7243a48c |
14 | 9a3cbad900 |
15 | 53719a8715 |
hex | 2ed3b361fc |
201120244220 has 36 divisors (see below), whose sum is σ = 491308027560. Its totient is φ = 68955511968.
The previous prime is 201120244207. The next prime is 201120244223. The reversal of 201120244220 is 22442021102.
It is a super-2 number, since 2×2011202442202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 201120244192 and 201120244201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201120244223) 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 11 ways as a sum of consecutive naturals, for example, 102611390 + ... + 102613349.
It is an arithmetic number, because the mean of its divisors is an integer number (13647445210).
Almost surely, 2201120244220 is an apocalyptic number.
201120244220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
201120244220 is an abundant number, since it is smaller than the sum of its proper divisors (290187783340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201120244220 is a wasteful number, since it uses less digits than its factorization.
201120244220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205224762 (or 205224753 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 201120244220 its reverse (22442021102), we get a palindrome (223562265322).
The spelling of 201120244220 in words is "two hundred one billion, one hundred twenty million, two hundred forty-four thousand, two hundred twenty".
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