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30254953261648 = 243751106339969
BaseRepresentation
bin1101110000100010001111…
…01111011110101001010000
310222010100022201020101012111
412320101013233132221100
512431144121013333043
6144202533400235104
76241563642352063
oct670210757365120
9128110281211174
1030254953261648
11970506540a075
12348774276ba94
1313b605077409b
147684c19748da
153770028b609d
hex1b8447bdea50

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".

Divisors: 1 2 4 8 16 37 74 148 296 592 51106339969 102212679938 204425359876 408850719752 817701439504 1890934578853 3781869157706 7563738315412 15127476630824 30254953261648