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26728301538241 = 193533985135163
BaseRepresentation
bin1100001001111001010101…
…11010110010101111000001
310111122012102021211120010221
412010330222322302233001
512000404030143210431
6132502451234423041
75426025141330652
oct604745272625701
9114565367746127
1026728301538241
11857545545a706
122bb815a131a81
1311bb6113174a4
14685929d95529
153153e7852111
hex184f2aeb2bc1

26728301538241 has 8 divisors (see below), whose sum is σ = 28214756961120. Its totient is φ = 25249816386432.

The previous prime is 26728301538233. The next prime is 26728301538287. The reversal of 26728301538241 is 14283510382762.

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 26728301538241 - 23 = 26728301538233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26728301535241) 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 7 ways as a sum of consecutive naturals, for example, 1992560875 + ... + 1992574288.

It is an arithmetic number, because the mean of its divisors is an integer number (3526844620140).

Almost surely, 226728301538241 is an apocalyptic number.

It is an amenable number.

26728301538241 is a deficient number, since it is larger than the sum of its proper divisors (1486455422879).

26728301538241 is a wasteful number, since it uses less digits than its factorization.

26728301538241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985135535.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 26728301538241 in words is "twenty-six trillion, seven hundred twenty-eight billion, three hundred one million, five hundred thirty-eight thousand, two hundred forty-one".

Divisors: 1 19 353 6707 3985135163 75717568097 1406752712539 26728301538241