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5495178457 is a prime number
BaseRepresentation
bin1010001111000100…
…11100010011011001
3112011222010222201001
411013202130103121
542223231202312
62305140425001
7253114150306
oct50742342331
915158128631
105495178457
11236a9809aa
1210943a8161
136976161b2
143a1b600ad
1522266b057
hex14789c4d9

5495178457 has 2 divisors, whose sum is σ = 5495178458. Its totient is φ = 5495178456.

The previous prime is 5495178439. The next prime is 5495178497. The reversal of 5495178457 is 7548715945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4348611136 + 1146567321 = 65944^2 + 33861^2 .

It is a cyclic number.

It is not a de Polignac number, because 5495178457 - 227 = 5360960729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5495178398 and 5495178407.

It is not a weakly prime, because it can be changed into another prime (5495178497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747589228 + 2747589229.

It is an arithmetic number, because the mean of its divisors is an integer number (2747589229).

Almost surely, 25495178457 is an apocalyptic number.

It is an amenable number.

5495178457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5495178457 is an equidigital number, since it uses as much as digits as its factorization.

5495178457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 55.

The square root of 5495178457 is about 74129.4709073254. The cubic root of 5495178457 is about 1764.6582069743.

The spelling of 5495178457 in words is "five billion, four hundred ninety-five million, one hundred seventy-eight thousand, four hundred fifty-seven".