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5158043281 is a prime number
BaseRepresentation
bin1001100110111000…
…10111111010010001
3111022110202202012001
410303130113322101
541030424341111
62211454434001
7241551434026
oct46334277221
914273682161
105158043281
112207643296
12bbb502901
13642815821
1436d08154d
15202c741c1
hex133717e91

5158043281 has 2 divisors, whose sum is σ = 5158043282. Its totient is φ = 5158043280.

The previous prime is 5158043279. The next prime is 5158043299. The reversal of 5158043281 is 1823408515.

5158043281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4252996225 + 905047056 = 65215^2 + 30084^2 .

It is a cyclic number.

It is not a de Polignac number, because 5158043281 - 21 = 5158043279 is a prime.

It is a super-2 number, since 2×51580432812 = 53210820977338489922, which contains 22 as substring.

Together with 5158043279, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5158043281.

It is not a weakly prime, because it can be changed into another prime (5158043251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2579021640 + 2579021641.

It is an arithmetic number, because the mean of its divisors is an integer number (2579021641).

Almost surely, 25158043281 is an apocalyptic number.

It is an amenable number.

5158043281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5158043281 is an equidigital number, since it uses as much as digits as its factorization.

5158043281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 5158043281 is about 71819.5188023423. The cubic root of 5158043281 is about 1727.8060643808.

The spelling of 5158043281 in words is "five billion, one hundred fifty-eight million, forty-three thousand, two hundred eighty-one".