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26271506485201 is a prime number
BaseRepresentation
bin1011111100100110011111…
…10011111100111111010001
310110000112100110100120010011
411332103033303330333101
511420413021130011301
6131512544035234521
75351024264414635
oct576231763747721
9113015313316104
1026271506485201
11840975757234a
122b43716448a41
1311875142303b3
1466b794c54dc5
153085aec7ea51
hex17e4cfcfcfd1

26271506485201 has 2 divisors, whose sum is σ = 26271506485202. Its totient is φ = 26271506485200.

The previous prime is 26271506485153. The next prime is 26271506485253. The reversal of 26271506485201 is 10258460517262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25605128142801 + 666378342400 = 5060151^2 + 816320^2 .

It is a cyclic number.

It is not a de Polignac number, because 26271506485201 - 237 = 26134067531729 is a prime.

It is not a weakly prime, because it can be changed into another prime (26271506485291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13135753242600 + 13135753242601.

It is an arithmetic number, because the mean of its divisors is an integer number (13135753242601).

Almost surely, 226271506485201 is an apocalyptic number.

It is an amenable number.

26271506485201 is a deficient number, since it is larger than the sum of its proper divisors (1).

26271506485201 is an equidigital number, since it uses as much as digits as its factorization.

26271506485201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 26271506485201 in words is "twenty-six trillion, two hundred seventy-one billion, five hundred six million, four hundred eighty-five thousand, two hundred one".