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5387057857 is a prime number
BaseRepresentation
bin1010000010001011…
…11111101011000001
3111220102200220010101
411001011333223001
542013041322412
62250315202401
7250332144016
oct50105775301
914812626111
105387057857
112314943335
121064146401
1367b0bb3cc
1439165770d
15217e10457
hex14117fac1

5387057857 has 2 divisors, whose sum is σ = 5387057858. Its totient is φ = 5387057856.

The previous prime is 5387057839. The next prime is 5387057887. The reversal of 5387057857 is 7587507835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5173781041 + 213276816 = 71929^2 + 14604^2 .

It is a cyclic number.

It is not a de Polignac number, because 5387057857 - 227 = 5252840129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5387057798 and 5387057807.

It is not a weakly prime, because it can be changed into another prime (5387057827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693528928 + 2693528929.

It is an arithmetic number, because the mean of its divisors is an integer number (2693528929).

Almost surely, 25387057857 is an apocalyptic number.

It is an amenable number.

5387057857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5387057857 is an equidigital number, since it uses as much as digits as its factorization.

5387057857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232000, while the sum is 55.

The square root of 5387057857 is about 73396.5793276499. The cubic root of 5387057857 is about 1753.0079270480.

The spelling of 5387057857 in words is "five billion, three hundred eighty-seven million, fifty-seven thousand, eight hundred fifty-seven".