Base | Representation |
---|---|
bin | 11101101000111001… |
… | …000000100000001001 |
3 | 10001010220111102200112 |
4 | 131220321000200021 |
5 | 1010134040431201 |
6 | 22341530244105 |
7 | 2204433114236 |
oct | 355071004011 |
9 | 101126442615 |
10 | 31824545801 |
11 | 12551143324 |
12 | 6201b86635 |
13 | 300239a6b9 |
14 | 177c8b078d |
15 | c63dd00bb |
hex | 768e40809 |
31824545801 has 2 divisors, whose sum is σ = 31824545802. Its totient is φ = 31824545800.
The previous prime is 31824545791. The next prime is 31824545803. The reversal of 31824545801 is 10854542813.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31442382400 + 382163401 = 177320^2 + 19549^2 .
It is a cyclic number.
It is not a de Polignac number, because 31824545801 - 218 = 31824283657 is a prime.
Together with 31824545803, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (31824545803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15912272900 + 15912272901.
It is an arithmetic number, because the mean of its divisors is an integer number (15912272901).
Almost surely, 231824545801 is an apocalyptic number.
It is an amenable number.
31824545801 is a deficient number, since it is larger than the sum of its proper divisors (1).
31824545801 is an equidigital number, since it uses as much as digits as its factorization.
31824545801 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 153600, while the sum is 41.
The spelling of 31824545801 in words is "thirty-one billion, eight hundred twenty-four million, five hundred forty-five thousand, eight hundred one".
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