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8125263287 is a prime number
BaseRepresentation
bin1111001000100110…
…11010110110110111
3202222021010010211022
413210103122312313
5113120031411122
63422132331355
7405231412151
oct74423326667
922867103738
108125263287
11349a554629
1216a9173b5b
139c64908cb
14571193ad1
153284e0642
hex1e44dadb7

8125263287 has 2 divisors, whose sum is σ = 8125263288. Its totient is φ = 8125263286.

The previous prime is 8125263247. The next prime is 8125263319. The reversal of 8125263287 is 7823625218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8125263287 - 210 = 8125262263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8125263247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062631643 + 4062631644.

It is an arithmetic number, because the mean of its divisors is an integer number (4062631644).

Almost surely, 28125263287 is an apocalyptic number.

8125263287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125263287 is an equidigital number, since it uses as much as digits as its factorization.

8125263287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 8125263287 is about 90140.2423282742. The cubic root of 8125263287 is about 2010.3845940307.

The spelling of 8125263287 in words is "eight billion, one hundred twenty-five million, two hundred sixty-three thousand, two hundred eighty-seven".