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26457000545 = 57372484933
BaseRepresentation
bin11000101000111101…
…011100101001100001
32112021211111212211002
4120220331130221201
5413140443004140
620053145201345
71624425536243
oct305075345141
975254455732
1026457000545
1110247318108
125164490255
132658351911
1413cda96093
15a4ca76415
hex628f5ca61

26457000545 has 8 divisors (see below), whose sum is σ = 32183310696. Its totient is φ = 20875660416.

The previous prime is 26457000523. The next prime is 26457000571. The reversal of 26457000545 is 54500075462.

It can be written as a sum of positive squares in 4 ways, for example, as 772450849 + 25684549696 = 27793^2 + 160264^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26457000545 - 26 = 26457000481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26457000499 and 26457000508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36242102 + ... + 36242831.

It is an arithmetic number, because the mean of its divisors is an integer number (4022913837).

Almost surely, 226457000545 is an apocalyptic number.

It is an amenable number.

26457000545 is a deficient number, since it is larger than the sum of its proper divisors (5726310151).

26457000545 is an equidigital number, since it uses as much as digits as its factorization.

26457000545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72485011.

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 26457000545 in words is "twenty-six billion, four hundred fifty-seven million, five hundred forty-five", and thus it is an aban number.

Divisors: 1 5 73 365 72484933 362424665 5291400109 26457000545