Base | Representation |
---|---|
bin | 1011101101010001001… |
… | …0000100001011100001 |
3 | 201020011002120200121210 |
4 | 2323110102010023201 |
5 | 11243403240013441 |
6 | 232221533540333 |
7 | 20350121541630 |
oct | 2732422041341 |
9 | 636132520553 |
10 | 201130001121 |
11 | 78331707825 |
12 | 32b920446a9 |
13 | 15c744754aa |
14 | 9a401cd517 |
15 | 5372784616 |
hex | 2ed44842e1 |
201130001121 has 16 divisors (see below), whose sum is σ = 306490262528. Its totient is φ = 114929010000.
The previous prime is 201130001101. The next prime is 201130001131. The reversal of 201130001121 is 121100031102.
It is not a de Polignac number, because 201130001121 - 26 = 201130001057 is a prime.
It is a super-2 number, since 2×2011300011212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201130001097 and 201130001106.
It is not an unprimeable number, because it can be changed into a prime (201130001101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547196 + ... + 1672146.
It is an arithmetic number, because the mean of its divisors is an integer number (19155641408).
Almost surely, 2201130001121 is an apocalyptic number.
201130001121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
201130001121 is a deficient number, since it is larger than the sum of its proper divisors (105360261407).
201130001121 is a wasteful number, since it uses less digits than its factorization.
201130001121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201612.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 201130001121 its reverse (121100031102), we get a palindrome (322230032223).
The spelling of 201130001121 in words is "two hundred one billion, one hundred thirty million, one thousand, one hundred twenty-one".
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