Base | Representation |
---|---|
bin | 1101110000100010001111… |
… | …01111011110101001010000 |
3 | 10222010100022201020101012111 |
4 | 12320101013233132221100 |
5 | 12431144121013333043 |
6 | 144202533400235104 |
7 | 6241563642352063 |
oct | 670210757365120 |
9 | 128110281211174 |
10 | 30254953261648 |
11 | 970506540a075 |
12 | 348774276ba94 |
13 | 13b605077409b |
14 | 7684c19748da |
15 | 3770028b609d |
hex | 1b8447bdea50 |
30254953261648 has 20 divisors (see below), whose sum is σ = 60203268484660. Its totient is φ = 14718625910784.
The previous prime is 30254953261633. The next prime is 30254953261649. The reversal of 30254953261648 is 84616235945203.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 25554763949584 + 4700189312064 = 5055172^2 + 2167992^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30254953261592 and 30254953261601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30254953261649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25553169393 + ... + 25553170576.
It is an arithmetic number, because the mean of its divisors is an integer number (3010163424233).
Almost surely, 230254953261648 is an apocalyptic number.
It is an amenable number.
30254953261648 is a deficient number, since it is larger than the sum of its proper divisors (29948315223012).
30254953261648 is a wasteful number, since it uses less digits than its factorization.
30254953261648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51106340014 (or 51106340008 counting only the distinct ones).
The product of its (nonzero) digits is 37324800, while the sum is 58.
The spelling of 30254953261648 in words is "thirty trillion, two hundred fifty-four billion, nine hundred fifty-three million, two hundred sixty-one thousand, six hundred forty-eight".
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