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5618129873 is a prime number
BaseRepresentation
bin1010011101101110…
…11101101111010001
3112111112111120100012
411032313131233101
543001220123443
62325252004305
7256136213246
oct51667355721
915445446305
105618129873
112423319144
121109600695
136b6c34605
143b42075cd
1522d356118
hex14edddbd1

5618129873 has 2 divisors, whose sum is σ = 5618129874. Its totient is φ = 5618129872.

The previous prime is 5618129863. The next prime is 5618129879. The reversal of 5618129873 is 3789218165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5573667649 + 44462224 = 74657^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 5618129873 - 26 = 5618129809 is a prime.

It is a super-2 number, since 2×56181298732 = 63126766539789992258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5618129879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809064936 + 2809064937.

It is an arithmetic number, because the mean of its divisors is an integer number (2809064937).

Almost surely, 25618129873 is an apocalyptic number.

It is an amenable number.

5618129873 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618129873 is an equidigital number, since it uses as much as digits as its factorization.

5618129873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 50.

The square root of 5618129873 is about 74954.1851600029. The cubic root of 5618129873 is about 1777.7223184981.

The spelling of 5618129873 in words is "five billion, six hundred eighteen million, one hundred twenty-nine thousand, eight hundred seventy-three".