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8126086643 is a prime number
BaseRepresentation
bin1111001000101101…
…00011110111110011
3202222022122222020222
413210112203313303
5113120234233033
63422202123255
7405241411463
oct74426436763
922868588228
108126086643
11349aa67194
1216a94b052b
139c66bb5bc
14571329ba3
15328604598
hex1e45a3df3

8126086643 has 2 divisors, whose sum is σ = 8126086644. Its totient is φ = 8126086642.

The previous prime is 8126086613. The next prime is 8126086663. The reversal of 8126086643 is 3466806218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8126086643 - 210 = 8126085619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8126086594 and 8126086603.

It is not a weakly prime, because it can be changed into another prime (8126086613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063043321 + 4063043322.

It is an arithmetic number, because the mean of its divisors is an integer number (4063043322).

Almost surely, 28126086643 is an apocalyptic number.

8126086643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8126086643 is an equidigital number, since it uses as much as digits as its factorization.

8126086643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 8126086643 is about 90144.8092959323. The cubic root of 8126086643 is about 2010.4524977302.

The spelling of 8126086643 in words is "eight billion, one hundred twenty-six million, eighty-six thousand, six hundred forty-three".