Base | Representation |
---|---|
bin | 1101110000100000111100… |
… | …01001111100010100111001 |
3 | 10222010021112002101020211202 |
4 | 12320100132021330110321 |
5 | 12431141203410242042 |
6 | 144202340234103545 |
7 | 6241540441064402 |
oct | 670203611742471 |
9 | 128107462336752 |
10 | 30254255555897 |
11 | 970483759744a |
12 | 3487588b7abb5 |
13 | 13b5c6c059049 |
14 | 7684570369a9 |
15 | 376eb14e8632 |
hex | 1b841e27c539 |
30254255555897 has 2 divisors, whose sum is σ = 30254255555898. Its totient is φ = 30254255555896.
The previous prime is 30254255555779. The next prime is 30254255555899. The reversal of 30254255555897 is 79855555245203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30225485968441 + 28769587456 = 5497771^2 + 169616^2 .
It is a cyclic number.
It is not a de Polignac number, because 30254255555897 - 224 = 30254238778681 is a prime.
Together with 30254255555899, 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 (30254255555899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127127777948 + 15127127777949.
It is an arithmetic number, because the mean of its divisors is an integer number (15127127777949).
Almost surely, 230254255555897 is an apocalyptic number.
It is an amenable number.
30254255555897 is a deficient number, since it is larger than the sum of its proper divisors (1).
30254255555897 is an equidigital number, since it uses as much as digits as its factorization.
30254255555897 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 378000000, while the sum is 65.
The spelling of 30254255555897 in words is "thirty trillion, two hundred fifty-four billion, two hundred fifty-five million, five hundred fifty-five thousand, eight hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •