Search a number
-
+
45171648751 is a prime number
BaseRepresentation
bin101010000100011100…
…001010100011101111
311022121002102111212211
4222010130022203233
51220002420230001
632430201111251
73156252451645
oct520434124357
9138532374784
1045171648751
1118180244319
128907a88527
13434b64ca58
142287391195
151295a47351
hexa8470a8ef

45171648751 has 2 divisors, whose sum is σ = 45171648752. Its totient is φ = 45171648750.

The previous prime is 45171648733. The next prime is 45171648779. The reversal of 45171648751 is 15784617154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45171648751 - 223 = 45163260143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45171648695 and 45171648704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45171648701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22585824375 + 22585824376.

It is an arithmetic number, because the mean of its divisors is an integer number (22585824376).

Almost surely, 245171648751 is an apocalyptic number.

45171648751 is a deficient number, since it is larger than the sum of its proper divisors (1).

45171648751 is an equidigital number, since it uses as much as digits as its factorization.

45171648751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 49.

The spelling of 45171648751 in words is "forty-five billion, one hundred seventy-one million, six hundred forty-eight thousand, seven hundred fifty-one".