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13151387813 is a prime number
BaseRepresentation
bin11000011111110001…
…00100000010100101
31020221112122201111112
430033320210002211
5203413223402223
610012555514405
7643621644344
oct141770440245
936845581445
1013151387813
115639685353
122670458a05
1313178684a5
148ca8d5b5b
1551e8a7778
hex30fe240a5

13151387813 has 2 divisors, whose sum is σ = 13151387814. Its totient is φ = 13151387812.

The previous prime is 13151387779. The next prime is 13151387897. The reversal of 13151387813 is 31878315131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12465052609 + 686335204 = 111647^2 + 26198^2 .

It is a cyclic number.

It is not a de Polignac number, because 13151387813 - 216 = 13151322277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13151383813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575693906 + 6575693907.

It is an arithmetic number, because the mean of its divisors is an integer number (6575693907).

Almost surely, 213151387813 is an apocalyptic number.

It is an amenable number.

13151387813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151387813 is an equidigital number, since it uses as much as digits as its factorization.

13151387813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The spelling of 13151387813 in words is "thirteen billion, one hundred fifty-one million, three hundred eighty-seven thousand, eight hundred thirteen".