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5815030993 is a prime number
BaseRepresentation
bin1010110101001101…
…00101010011010001
3120000021000011220021
411122212211103101
543402121442433
62401004143441
7264046643062
oct53246452321
916007004807
105815030993
112514484942
121163537b81
13718975255
143d2420569
1524079c22d
hex15a9a54d1

5815030993 has 2 divisors, whose sum is σ = 5815030994. Its totient is φ = 5815030992.

The previous prime is 5815030987. The next prime is 5815031023. The reversal of 5815030993 is 3990305185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3413246929 + 2401784064 = 58423^2 + 49008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5815030993 is a prime.

It is not a weakly prime, because it can be changed into another prime (5815030093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2907515496 + 2907515497.

It is an arithmetic number, because the mean of its divisors is an integer number (2907515497).

Almost surely, 25815030993 is an apocalyptic number.

It is an amenable number.

5815030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5815030993 is an equidigital number, since it uses as much as digits as its factorization.

5815030993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 5815030993 is about 76256.3505093182. The cubic root of 5815030993 is about 1798.2525214462.

The spelling of 5815030993 in words is "five billion, eight hundred fifteen million, thirty thousand, nine hundred ninety-three".