Base | Representation |
---|---|
bin | 101111100100100110… |
… | …110110101010101101 |
3 | 11212211212002102111001 |
4 | 233210212312222231 |
5 | 1314102441442033 |
6 | 35244342200301 |
7 | 3455545045603 |
oct | 574446665255 |
9 | 155755072431 |
10 | 51080030893 |
11 | 1a732389271 |
12 | 9a96723091 |
13 | 4a8074b368 |
14 | 2687d51873 |
15 | 14de5d3e7d |
hex | be49b6aad |
51080030893 has 2 divisors, whose sum is σ = 51080030894. Its totient is φ = 51080030892.
The previous prime is 51080030873. The next prime is 51080031029. The reversal of 51080030893 is 39803008015.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27389588004 + 23690442889 = 165498^2 + 153917^2 .
It is a cyclic number.
It is not a de Polignac number, because 51080030893 - 213 = 51080022701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51080030873) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25540015446 + 25540015447.
It is an arithmetic number, because the mean of its divisors is an integer number (25540015447).
Almost surely, 251080030893 is an apocalyptic number.
It is an amenable number.
51080030893 is a deficient number, since it is larger than the sum of its proper divisors (1).
51080030893 is an equidigital number, since it uses as much as digits as its factorization.
51080030893 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25920, while the sum is 37.
The spelling of 51080030893 in words is "fifty-one billion, eighty million, thirty thousand, eight hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •