Search a number
-
+
57449204623 is a prime number
BaseRepresentation
bin110101100000001111…
…010100101110001111
312111021201210222022101
4311200033110232033
51420123444021443
642220343455531
74102434116326
oct654017245617
9174251728271
1057449204623
112240063a808
12b1737575a7
135557154605
142acdbbd0bd
15176384184d
hexd603d4b8f

57449204623 has 2 divisors, whose sum is σ = 57449204624. Its totient is φ = 57449204622.

The previous prime is 57449204597. The next prime is 57449204671. The reversal of 57449204623 is 32640294475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57449204623 - 25 = 57449204591 is a prime.

It is a super-2 number, since 2×574492046232 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57449208623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28724602311 + 28724602312.

It is an arithmetic number, because the mean of its divisors is an integer number (28724602312).

Almost surely, 257449204623 is an apocalyptic number.

57449204623 is a deficient number, since it is larger than the sum of its proper divisors (1).

57449204623 is an equidigital number, since it uses as much as digits as its factorization.

57449204623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 57449204623 in words is "fifty-seven billion, four hundred forty-nine million, two hundred four thousand, six hundred twenty-three".