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65426201987 is a prime number
BaseRepresentation
bin111100111011101101…
…001001110110000011
320020212122221102112012
4330323231021312003
52032443101430422
650020102323135
74504215353366
oct747355116603
9206778842465
1065426201987
1125824426a13
121081b1294ab
1362289a26b3
1432493ba0dd
151a7dce64e2
hexf3bb49d83

65426201987 has 2 divisors, whose sum is σ = 65426201988. Its totient is φ = 65426201986.

The previous prime is 65426201969. The next prime is 65426202043. The reversal of 65426201987 is 78910262456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65426201987 - 214 = 65426185603 is a prime.

It is not a weakly prime, because it can be changed into another prime (65426201927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32713100993 + 32713100994.

It is an arithmetic number, because the mean of its divisors is an integer number (32713100994).

Almost surely, 265426201987 is an apocalyptic number.

65426201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

65426201987 is an equidigital number, since it uses as much as digits as its factorization.

65426201987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 65426201987 in words is "sixty-five billion, four hundred twenty-six million, two hundred one thousand, nine hundred eighty-seven".