Search a number
-
+
5115541087 is a prime number
BaseRepresentation
bin1001100001110100…
…01111011001011111
3111012111210102010201
410300322033121133
540434034303322
62203335444331
7240524244646
oct46072173137
914174712121
105115541087
112195653808
12ba92266a7
13636a840b7
1436757a35d
151ee17ad27
hex130e8f65f

5115541087 has 2 divisors, whose sum is σ = 5115541088. Its totient is φ = 5115541086.

The previous prime is 5115541063. The next prime is 5115541103. The reversal of 5115541087 is 7801455115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5115541087 - 231 = 2968057439 is a prime.

It is a super-2 number, since 2×51155410872 = 52337521225570283138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5115541027) 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, 2557770543 + 2557770544.

It is an arithmetic number, because the mean of its divisors is an integer number (2557770544).

Almost surely, 25115541087 is an apocalyptic number.

5115541087 is a deficient number, since it is larger than the sum of its proper divisors (1).

5115541087 is an equidigital number, since it uses as much as digits as its factorization.

5115541087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 37.

The square root of 5115541087 is about 71523.0108916005. The cubic root of 5115541087 is about 1723.0472714585.

The spelling of 5115541087 in words is "five billion, one hundred fifteen million, five hundred forty-one thousand, eighty-seven".