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30013705213 is a prime number
BaseRepresentation
bin11011111100111101…
…001100101111111101
32212110201002012101121
4123330331030233331
5442432002031323
621442121510541
72111524166512
oct337475145775
985421065347
1030013705213
1111801a54a58
125997642451
132aa41832ab
14164a1b5309
15ba9e34a5d
hex6fcf4cbfd

30013705213 has 2 divisors, whose sum is σ = 30013705214. Its totient is φ = 30013705212.

The previous prime is 30013705199. The next prime is 30013705219. The reversal of 30013705213 is 31250731003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29957724889 + 55980324 = 173083^2 + 7482^2 .

It is a cyclic number.

It is not a de Polignac number, because 30013705213 - 229 = 29476834301 is a prime.

It is a super-2 number, since 2×300137052132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30013705219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006852606 + 15006852607.

It is an arithmetic number, because the mean of its divisors is an integer number (15006852607).

Almost surely, 230013705213 is an apocalyptic number.

It is an amenable number.

30013705213 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013705213 is an equidigital number, since it uses as much as digits as its factorization.

30013705213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The spelling of 30013705213 in words is "thirty billion, thirteen million, seven hundred five thousand, two hundred thirteen".