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2872871653 is a prime number
BaseRepresentation
bin1010101100111100…
…1000101011100101
321102012211000000211
42223033020223211
521340423343103
61153023335421
7131123002051
oct25317105345
97365730024
102872871653
11124472aaa3
12682151571
1336a262b72
141d3792c61
1511c33136d
hexab3c8ae5

2872871653 has 2 divisors, whose sum is σ = 2872871654. Its totient is φ = 2872871652.

The previous prime is 2872871641. The next prime is 2872871657. The reversal of 2872871653 is 3561782782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1625863684 + 1247007969 = 40322^2 + 35313^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872871653 - 25 = 2872871621 is a prime.

It is a super-2 number, since 2×28728716532 = 16506783069221904818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2872871597 and 2872871606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872871657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436435826 + 1436435827.

It is an arithmetic number, because the mean of its divisors is an integer number (1436435827).

Almost surely, 22872871653 is an apocalyptic number.

It is an amenable number.

2872871653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872871653 is an equidigital number, since it uses as much as digits as its factorization.

2872871653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 2872871653 is about 53599.1758612014. The cubic root of 2872871653 is about 1421.5825200723.

The spelling of 2872871653 in words is "two billion, eight hundred seventy-two million, eight hundred seventy-one thousand, six hundred fifty-three".