Base | Representation |
---|---|
bin | 1011101101100001110… |
… | …1111001110010001011 |
3 | 201020022222200211101121 |
4 | 2323120131321302023 |
5 | 11244024223310011 |
6 | 232232522500111 |
7 | 20351633410441 |
oct | 2733035716213 |
9 | 636288624347 |
10 | 201200213131 |
11 | 78368303085 |
12 | 32bb1664637 |
13 | 15c85b89668 |
14 | 9a49668b91 |
15 | 5378a02e71 |
hex | 2ed8779c8b |
201200213131 has 2 divisors, whose sum is σ = 201200213132. Its totient is φ = 201200213130.
The previous prime is 201200213083. The next prime is 201200213141. The reversal of 201200213131 is 131312002102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 201200213131 - 225 = 201166658699 is a prime.
It is a super-2 number, since 2×2012002131312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (201200213141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600106565 + 100600106566.
It is an arithmetic number, because the mean of its divisors is an integer number (100600106566).
Almost surely, 2201200213131 is an apocalyptic number.
201200213131 is a deficient number, since it is larger than the sum of its proper divisors (1).
201200213131 is an equidigital number, since it uses as much as digits as its factorization.
201200213131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 201200213131 its reverse (131312002102), we get a palindrome (332512215233).
The spelling of 201200213131 in words is "two hundred one billion, two hundred million, two hundred thirteen thousand, one hundred thirty-one".
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