Search a number
-
+
54645154273 is a prime number
BaseRepresentation
bin110010111001000110…
…101110000111100001
312020001022111110100201
4302321012232013201
51343403124414043
641034215145201
73643105101403
oct627106560741
9166038443321
1054645154273
11211a1846226
12a710675201
1351cb239918
142905622b73
15164c5a6c4d
hexcb91ae1e1

54645154273 has 2 divisors, whose sum is σ = 54645154274. Its totient is φ = 54645154272.

The previous prime is 54645154259. The next prime is 54645154327. The reversal of 54645154273 is 37245154645.

54645154273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (54645154327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45342165969 + 9302988304 = 212937^2 + 96452^2 .

It is a cyclic number.

It is not a de Polignac number, because 54645154273 - 217 = 54645023201 is a prime.

It is not a weakly prime, because it can be changed into another prime (54645154253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322577136 + 27322577137.

It is an arithmetic number, because the mean of its divisors is an integer number (27322577137).

Almost surely, 254645154273 is an apocalyptic number.

It is an amenable number.

54645154273 is a deficient number, since it is larger than the sum of its proper divisors (1).

54645154273 is an equidigital number, since it uses as much as digits as its factorization.

54645154273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 46.

The spelling of 54645154273 in words is "fifty-four billion, six hundred forty-five million, one hundred fifty-four thousand, two hundred seventy-three".