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5813495081 is a prime number
BaseRepresentation
bin1010110101000001…
…01110010100101001
3120000011010011000122
411122200232110221
543401223320311
62400511213025
7264030615152
oct53240562451
916004104018
105813495081
112513625999
121162b17175
13718558124
143d2140929
152405970db
hex15a82e529

5813495081 has 2 divisors, whose sum is σ = 5813495082. Its totient is φ = 5813495080.

The previous prime is 5813495029. The next prime is 5813495141. The reversal of 5813495081 is 1805943185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5691193600 + 122301481 = 75440^2 + 11059^2 .

It is a cyclic number.

It is not a de Polignac number, because 5813495081 - 230 = 4739753257 is a prime.

It is a super-2 number, since 2×58134950812 = 67593450113622393122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5813495581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2906747540 + 2906747541.

It is an arithmetic number, because the mean of its divisors is an integer number (2906747541).

Almost surely, 25813495081 is an apocalyptic number.

It is an amenable number.

5813495081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5813495081 is an equidigital number, since it uses as much as digits as its factorization.

5813495081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 5813495081 is about 76246.2791288860. The cubic root of 5813495081 is about 1798.0941846099.

The spelling of 5813495081 in words is "five billion, eight hundred thirteen million, four hundred ninety-five thousand, eighty-one".