Base | Representation |
---|---|
bin | 111100001101000… |
… | …1100000100111011 |
3 | 12012210020021221112 |
4 | 1320122030010323 |
5 | 13114123144011 |
6 | 532242230535 |
7 | 101026555064 |
oct | 17032140473 |
9 | 5183207845 |
10 | 2020131131 |
11 | 947347467 |
12 | 48465544b |
13 | 2626a5385 |
14 | 15241956b |
15 | bc53c58b |
hex | 7868c13b |
2020131131 has 16 divisors (see below), whose sum is σ = 2195732448. Its totient is φ = 1851033600.
The previous prime is 2020131119. The next prime is 2020131161. The reversal of 2020131131 is 1311310202.
It is a cyclic number.
It is not a de Polignac number, because 2020131131 - 218 = 2019868987 is a prime.
It is a super-2 number, since 2×20201311312 = 8161859572870678322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2020131161) 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, 360356 + ... + 365918.
It is an arithmetic number, because the mean of its divisors is an integer number (137233278).
Almost surely, 22020131131 is an apocalyptic number.
2020131131 is a deficient number, since it is larger than the sum of its proper divisors (175601317).
2020131131 is a wasteful number, since it uses less digits than its factorization.
2020131131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6142.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 2020131131 is about 44945.8688980422. The cubic root of 2020131131 is about 1264.1342180003.
Adding to 2020131131 its reverse (1311310202), we get a palindrome (3331441333).
The spelling of 2020131131 in words is "two billion, twenty million, one hundred thirty-one thousand, one hundred thirty-one".
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