Base | Representation |
---|---|
bin | 100101010001110101… |
… | …0110010100010111101 |
3 | 21122122012012100101122 |
4 | 1022203222302202331 |
5 | 2302423130031441 |
6 | 100435451120325 |
7 | 5532562642502 |
oct | 1124352624275 |
9 | 248565170348 |
10 | 80055314621 |
11 | 30a51157847 |
12 | 136224430a5 |
13 | 771a731269 |
14 | 3c362574a9 |
15 | 213829834b |
hex | 12a3ab28bd |
80055314621 has 2 divisors, whose sum is σ = 80055314622. Its totient is φ = 80055314620.
The previous prime is 80055314539. The next prime is 80055314641. The reversal of 80055314621 is 12641355008.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 52709731396 + 27345583225 = 229586^2 + 165365^2 .
It is a cyclic number.
It is not a de Polignac number, because 80055314621 - 218 = 80055052477 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80055314641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40027657310 + 40027657311.
It is an arithmetic number, because the mean of its divisors is an integer number (40027657311).
Almost surely, 280055314621 is an apocalyptic number.
It is an amenable number.
80055314621 is a deficient number, since it is larger than the sum of its proper divisors (1).
80055314621 is an equidigital number, since it uses as much as digits as its factorization.
80055314621 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28800, while the sum is 35.
Adding to 80055314621 its reverse (12641355008), we get a palindrome (92696669629).
The spelling of 80055314621 in words is "eighty billion, fifty-five million, three hundred fourteen thousand, six hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •