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26131271 is a prime number
BaseRepresentation
bin110001110101…
…1101101000111
31211011121100212
41203223231013
523142200041
62332030035
7435053315
oct143535507
954147325
1026131271
11138288a1
12890231b
13554c0ba
1436830b5
1524628eb
hex18ebb47

26131271 has 2 divisors, whose sum is σ = 26131272. Its totient is φ = 26131270.

The previous prime is 26131267. The next prime is 26131297. The reversal of 26131271 is 17213162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26131271 - 22 = 26131267 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26131211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13065635 + 13065636.

It is an arithmetic number, because the mean of its divisors is an integer number (13065636).

Almost surely, 226131271 is an apocalyptic number.

26131271 is a deficient number, since it is larger than the sum of its proper divisors (1).

26131271 is an equidigital number, since it uses as much as digits as its factorization.

26131271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 26131271 is about 5111.8754875290. The cubic root of 26131271 is about 296.7473467951.

The spelling of 26131271 in words is "twenty-six million, one hundred thirty-one thousand, two hundred seventy-one".