Search a number
-
+
66130367951 is a prime number
BaseRepresentation
bin111101100101101011…
…010101010111001111
320022200201221202122002
4331211223111113033
52040413333233301
650214015142515
74530525565364
oct754553252717
9208621852562
1066130367951
112605596125a
1210996b14a3b
13630b84004b
1432b4b1a46b
151ac0a3d16b
hexf65ad55cf

66130367951 has 2 divisors, whose sum is σ = 66130367952. Its totient is φ = 66130367950.

The previous prime is 66130367903. The next prime is 66130367971. The reversal of 66130367951 is 15976303166.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-66130367951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66130367896 and 66130367905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66130367971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33065183975 + 33065183976.

It is an arithmetic number, because the mean of its divisors is an integer number (33065183976).

Almost surely, 266130367951 is an apocalyptic number.

66130367951 is a deficient number, since it is larger than the sum of its proper divisors (1).

66130367951 is an equidigital number, since it uses as much as digits as its factorization.

66130367951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 66130367951 in words is "sixty-six billion, one hundred thirty million, three hundred sixty-seven thousand, nine hundred fifty-one".