Base | Representation |
---|---|
bin | 11101110010011101100111… |
… | …110111011011001001010011 |
3 | 122011212112121220111220202112 |
4 | 131302131213313123021103 |
5 | 114132441243240342433 |
6 | 1142345403211135535 |
7 | 36411145635045005 |
oct | 3562354767331123 |
9 | 564775556456675 |
10 | 131011130012243 |
11 | 38820565491048 |
12 | 1283aa024445ab |
13 | 58143b1699590 |
14 | 244cd8887a375 |
15 | 1022d77ed1348 |
hex | 772767ddb253 |
131011130012243 has 32 divisors (see below), whose sum is σ = 144897650546880. Its totient is φ = 117689351915520.
The previous prime is 131011130012221. The next prime is 131011130012249. The reversal of 131011130012243 is 342210031110131.
It is a cyclic number.
It is not a de Polignac number, because 131011130012243 - 26 = 131011130012179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131011130012249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1949159705 + ... + 1949226917.
It is an arithmetic number, because the mean of its divisors is an integer number (4528051579590).
Almost surely, 2131011130012243 is an apocalyptic number.
131011130012243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
131011130012243 is a deficient number, since it is larger than the sum of its proper divisors (13886520534637).
131011130012243 is a wasteful number, since it uses less digits than its factorization.
131011130012243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79959.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 131011130012243 its reverse (342210031110131), we get a palindrome (473221161122374).
The spelling of 131011130012243 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirty million, twelve thousand, two hundred forty-three".
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