Search a number
-
+
1945930067 is a prime number
BaseRepresentation
bin111001111111100…
…1000100101010011
312000121121111012222
41303333020211103
512441124230232
6521032011255
766136063334
oct16377104523
95017544188
101945930067
11909477074
12463830b2b
132501c5613
1414662228b
15b5c81d12
hex73fc8953

1945930067 has 2 divisors, whose sum is σ = 1945930068. Its totient is φ = 1945930066.

The previous prime is 1945930061. The next prime is 1945930081. The reversal of 1945930067 is 7600395491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1945930067 - 26 = 1945930003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1945930061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972965033 + 972965034.

It is an arithmetic number, because the mean of its divisors is an integer number (972965034).

Almost surely, 21945930067 is an apocalyptic number.

1945930067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1945930067 is an equidigital number, since it uses as much as digits as its factorization.

1945930067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1945930067 is about 44112.6973444155. The cubic root of 1945930067 is about 1248.4631923120.

The spelling of 1945930067 in words is "one billion, nine hundred forty-five million, nine hundred thirty thousand, sixty-seven".